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<a href="../../.." >日期与时间</a>
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<h1 id="日期与时间">日期与时间</h1>
<ul>
<li><a href="#datetime">DateTime</a><ul>
<li><a href="#datetimeconstruct">DateTime::__construct - 返回一个新的 DateTime 对象</a></li>
<li><a href="#datetimeadd">DateTime::add - 给一个 DateTime 对象增加一定量的天，月，年，小时，分钟以及秒</a></li>
<li><a href="#datetimecreatefromformat">DateTime::createFromFormat - 根据给定的格式解析日期时间字符串</a></li>
<li><a href="#datetimecreatefromimmutable">DateTime::createFromImmutable - 返回封装给定 DateTimeImmutable 对象的新 DateTime 对象</a></li>
<li><a href="#datetimegetlasterrors">DateTime::getLastErrors - 获取警告和错误信息</a></li>
<li><a href="#datetimemodify">DateTime::modify - 修改日期时间对象的值</a></li>
<li><a href="#datetimesetdate">DateTime::setDate - 设置 DateTime 对象的日期</a></li>
<li><a href="#datetimesetisodate">DateTime::setISODate - 设置 ISO 日期</a></li>
<li><a href="#datetimesettime">DateTime::setTime - 设置 DateTime 对象的时间</a></li>
<li><a href="#datetimesettimestamp">DateTime::setTimestamp - 以 Unix 时间戳的方式设置 DateTime 对象</a></li>
<li><a href="#datetimesettimezone">DateTime::setTimezone - 设置 DateTime 对象的时区</a></li>
<li><a href="#datetimesub">DateTime::sub - 对一个 DateTime 对象减去一定量的日，月，年，小时，分钟以及秒</a></li>
</ul>
</li>
<li><a href="#datetimeimmutable">DateTimeImmutable</a><ul>
<li><a href="#datetimeimmutableconstruct">DateTimeImmutable::__construct - 返回新的 DateTimeImmutable 对象</a></li>
<li><a href="#datetimeimmutableadd">DateTimeImmutable::add - 增加一定量的天，月，年，小时，分钟和秒</a></li>
<li><a href="#datetimeimmutablecreatefromformat">DateTimeImmutable::createFromFormat - 根据指定格式解析时间字符串</a></li>
<li><a href="#datetimeimmutablecreatefrommutable">DateTimeImmutable::createFromMutable - 返回封装给定 DateTime 对象的新 DateTimeImmutable 对象</a></li>
<li><a href="#datetimeimmutablegetlasterrors">DateTimeImmutable::getLastErrors - 返回警告和错误</a></li>
<li><a href="#datetimeimmutablemodify">DateTimeImmutable::modify - 创建一个具有修改后的时间戳的新对象</a></li>
<li><a href="#datetimeimmutablesetdate">DateTimeImmutable::setDate - 设定日期</a></li>
<li><a href="#datetimeimmutablesetisodate">DateTimeImmutable::setISODate - 设定 ISO 日期</a></li>
<li><a href="#datetimeimmutablesettime">DateTimeImmutable::setTime - 设定时间</a></li>
<li><a href="#datetimeimmutablesettimestamp">DateTimeImmutable::setTimestamp - 根据 Unix 时间戳设置日期和时间</a></li>
<li><a href="#datetimeimmutablesettimezone">DateTimeImmutable::setTimezone - 设置时区</a></li>
<li><a href="#datetimeimmutablesub">DateTimeImmutable::sub - 减去一定量的天，月，年，小时，分钟和秒</a></li>
</ul>
</li>
<li><a href="#datetimeinterface">DateTimeInterface</a><ul>
<li><a href="#datetimediff">DateTime::diff - 返回两个 DateTime 对象之间的差</a></li>
<li><a href="#datetimeformat">DateTime::format - 返回根据给定格式格式化的日期</a></li>
<li><a href="#datetimegetoffset">DateTime::getOffset - 返回时区偏移量</a></li>
<li><a href="#datetimegettimestamp">DateTime::getTimestamp - 获取 Unix 时间戳</a></li>
<li><a href="#datetimegettimezone">DateTime::getTimezone - 返回相对于给定 DateTime 的时区</a></li>
</ul>
</li>
<li><a href="#datetimezone">DateTimeZone</a><ul>
<li><a href="#datetimezoneconstruct">DateTimeZone::__construct - 创建新的 DateTimeZone 对象</a></li>
<li><a href="#datetimezonegetlocation">DateTimeZone::getLocation - 返回与时区相关的定位信息</a></li>
<li><a href="#datetimezonegetname">DateTimeZone::getName - 返回时区名称</a></li>
<li><a href="#datetimezonegetoffset">DateTimeZone::getOffset - 返回相对于 GMT 的时差</a></li>
<li><a href="#datetimezonegettransitions">DateTimeZone::getTransitions - 返回时区的所有转换</a></li>
<li><a href="#datetimezonelistabbreviations">DateTimeZone::listAbbreviations - 返回一个包含夏令时，时差和时区信息的关联数组</a></li>
<li><a href="#datetimezonelistidentifiers">DateTimeZone::listIdentifiers - 返回一个包含了所有时区标示符的索引数组</a></li>
</ul>
</li>
<li><a href="#dateinterval">DateInterval</a><ul>
<li><a href="#dateintervalconstruct">DateInterval::__construct - 创建一个新的 DateInterval 对象</a></li>
<li><a href="#dateintervalcreatefromdatestring">DateInterval::createFromDateString - 从字符串的相对部分设置 DateInterval</a></li>
<li><a href="#dateintervalformat">DateInterval::format - 格式化间隔</a></li>
</ul>
</li>
<li><a href="#dateperiod">DatePeriod</a><ul>
<li><a href="#dateperiodconstruct">DatePeriod::__construct - 创建一个新的 DatePeriod 对象</a></li>
<li><a href="#dateperiodgetdateinterval">DatePeriod::getDateInterval - 获取间隔</a></li>
<li><a href="#dateperiodgetenddate">DatePeriod::getEndDate - 获取结束日期</a></li>
<li><a href="#dateperiodgetrecurrences">DatePeriod::getRecurrences - 获取重复次数</a></li>
<li><a href="#dateperiodgetstartdate">DatePeriod::getStartDate - 获取开始日期</a></li>
</ul>
</li>
<li><a href="#date--time">Date / Time</a><ul>
<li><a href="#checkdate">checkdate - 验证一个格里高里日期</a></li>
<li><a href="#dateadd">date_add - 给一个 DateTime 对象增加一定量的天，月，年，小时，分钟以及秒</a></li>
<li><a href="#datecreatefromformat">date_create_from_format - 根据给定的格式解析日期时间字符串</a></li>
<li><a href="#datecreateimmutablefromformat">date_create_immutable_from_format - 根据指定格式解析时间字符串</a></li>
<li><a href="#datecreateimmutable">date_create_immutable - 返回新的 DateTimeImmutable 对象</a></li>
<li><a href="#datecreate">date_create - 返回一个新的 DateTime 对象</a></li>
<li><a href="#datedateset">date_date_set - 设置 DateTime 对象的日期</a></li>
<li><a href="#datedefaulttimezoneget">date_default_timezone_get - 取得一个脚本中所有日期时间函数所使用的默认时区</a></li>
<li><a href="#datedefaulttimezoneset">date_default_timezone_set - 设定用于一个脚本中所有日期时间函数的默认时区</a></li>
<li><a href="#datediff">date_diff - 返回两个 DateTime 对象之间的差</a></li>
<li><a href="#dateformat">date_format - 返回根据给定格式格式化的日期</a></li>
<li><a href="#dategetlasterrors">date_get_last_errors - 获取警告和错误信息</a></li>
<li><a href="#dateintervalcreatefromdatestring">date_interval_create_from_date_string - 从字符串的相对部分设置 DateInterval</a></li>
<li><a href="#dateintervalformat">date_interval_format - 格式化间隔</a></li>
<li><a href="#dateisodateset">date_isodate_set - 设置 ISO 日期</a></li>
<li><a href="#datemodify">date_modify - 修改日期时间对象的值</a></li>
<li><a href="#dateoffsetget">date_offset_get - 返回时区偏移量</a></li>
<li><a href="#dateparsefromformat">date_parse_from_format - 获取有关根据指定格式格式化的给定日期的信息</a></li>
<li><a href="#dateparse">date_parse - 返回具有给定日期的详细信息的关联数组</a></li>
<li><a href="#datesub">date_sub - 对一个 DateTime 对象减去一定量的日，月，年，小时，分钟以及秒</a></li>
<li><a href="#datesuninfo">date_sun_info - 返回一个数组，其中包含有关日落 / 日出和暮光开始 / 结束的信息</a></li>
<li><a href="#datesunrise">date_sunrise - 返回给定的日期与地点的日出时间</a></li>
<li><a href="#datesunset">date_sunset - 返回给定的日期与地点的日落时间</a></li>
<li><a href="#datetimeset">date_time_set - 设置 DateTime 对象的时间</a></li>
<li><a href="#datetimestampget">date_timestamp_get - 获取 Unix 时间戳</a></li>
<li><a href="#datetimestampset">date_timestamp_set - 以 Unix 时间戳的方式设置 DateTime 对象</a></li>
<li><a href="#datetimezoneget">date_timezone_get - 返回相对于给定 DateTime 的时区</a></li>
<li><a href="#datetimezoneset">date_timezone_set - 设置 DateTime 对象的时区</a></li>
<li><a href="#date">date - 格式化一个本地时间 / 日期</a></li>
<li><a href="#getdate">getdate - 取得日期 / 时间信息</a></li>
<li><a href="#gettimeofday">gettimeofday - 取得当前时间</a></li>
<li><a href="#gmdate">gmdate - 格式化一个 GMT / UTC 日期 / 时间</a></li>
<li><a href="#gmstrftime">gmstrftime - 根据区域设置格式化 GMT / UTC 时间 / 日期</a></li>
<li><a href="#idate">idate - 将本地时间日期格式化为整数</a></li>
<li><a href="#localtime">localtime - 取得本地时间</a></li>
<li><a href="#microtime">microtime - 返回当前 Unix 时间戳和微秒数</a></li>
<li><a href="#strftime">strftime - 根据区域设置格式化本地时间 / 日期</a></li>
<li><a href="#strtotime">strtotime - 将任何字符串的日期时间描述解析为 Unix 时间戳</a></li>
<li><a href="#time">time - 返回当前的 Unix 时间戳</a></li>
<li><a href="#timezoneabbreviationslist">timezone_abbreviations_list - 返回一个包含夏令时，时差和时区信息的关联数组</a></li>
<li><a href="#timezoneidentifierslist">timezone_identifiers_list - 返回一个包含了所有时区标示符的索引数组</a></li>
<li><a href="#timezonelocationget">timezone_location_get - 返回与时区相关的定位信息</a></li>
<li><a href="#timezonenamefromabbr">timezone_name_from_abbr - 返回缩写的时区名称</a></li>
<li><a href="#timezonenameget">timezone_name_get - 返回时区名称</a></li>
<li><a href="#timezoneoffsetget">timezone_offset_get - 返回相对于 GMT 的时差</a></li>
<li><a href="#timezoneopen">timezone_open - 创建新的 DateTimeZone 对象</a></li>
<li><a href="#timezonetransitionsget">timezone_transitions_get - 返回时区的所有转换</a></li>
<li><a href="#timezoneversionget">timezone_version_get - 获取 timezonedb 的版本</a></li>
</ul>
</li>
</ul>
<h2 id="datetime">DateTime</h2>
<h3 id="datetimeconstruct">DateTime::__construct</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-01-01 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-01-01 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'now'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="datetimeadd">DateTime::add</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$date</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">add</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateInterval</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'P10D'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-01-11 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datetimecreatefromformat">DateTime::createFromFormat</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span>DateTime<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">createFromFormat</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Y-m-d H:i:s'</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-01-01 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datetimecreatefromimmutable">DateTime::createFromImmutable</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span>DateTime<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">createFromImmutable</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTimeImmutable</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59 UTC'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#2 (3) { ["date"]=> string(26) "2020-01-01 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datetimegetlasterrors">DateTime::getLastErrors</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span>DateTime<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">getLastErrors</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// bool(false)</span>
</code></pre>
<h3 id="datetimemodify">DateTime::modify</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$date</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">modify</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'+1 day'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-01-02 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">modify</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'-1 day'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-01-01 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">modify</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'+1 month'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-02-01 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datetimesetdate">DateTime::setDate</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$date</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">setDate</span><span class="token punctuation">(</span><span class="token number">2020</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-02-01 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">setDate</span><span class="token punctuation">(</span><span class="token number">2020</span><span class="token punctuation">,</span> <span class="token number">3</span><span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-03-01 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datetimesetisodate">DateTime::setISODate</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$date</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">setISODate</span><span class="token punctuation">(</span><span class="token number">2020</span><span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2019-12-30 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">setISODate</span><span class="token punctuation">(</span><span class="token number">2020</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-01-06 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">setISODate</span><span class="token punctuation">(</span><span class="token number">2020</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-01-07 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datetimesettime">DateTime::setTime</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$date</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">setTime</span><span class="token punctuation">(</span><span class="token number">0</span><span class="token punctuation">,</span> <span class="token number">0</span><span class="token punctuation">,</span> <span class="token number">0</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-01-01 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">setTime</span><span class="token punctuation">(</span><span class="token number">1</span><span class="token punctuation">,</span> <span class="token number">0</span><span class="token punctuation">,</span> <span class="token number">0</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-01-01 01:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datetimesettimestamp">DateTime::setTimestamp</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$date</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">setTimestamp</span><span class="token punctuation">(</span><span class="token function">time</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="datetimesettimezone">DateTime::setTimezone</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$date</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">setTimezone</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTimezone</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'PRC'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-01-02 07:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "PRC" }</span>
</code></pre>
<h3 id="datetimesub">DateTime::sub</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$date</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">sub</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateInterval</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'P10D'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2019-12-22 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h2 id="datetimeimmutable">DateTimeImmutable</h2>
<h3 id="datetimeimmutableconstruct">DateTimeImmutable::__construct</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTimeImmutable</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'+1 day'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeImmutable)#1 (3) { ["date"]=> string(26) "2020-05-12 08:42:02.379554" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTimeImmutable</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'-1 day'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeImmutable)#1 (3) { ["date"]=> string(26) "2020-05-10 08:42:02.379572" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTimeImmutable</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'+1 month'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeImmutable)#1 (3) { ["date"]=> string(26) "2020-06-11 08:42:02.379577" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datetimeimmutableadd">DateTimeImmutable::add</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$date</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTimeImmutable</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">add</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateInterval</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'P10D'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeImmutable)#3 (3) { ["date"]=> string(26) "2020-01-11 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datetimeimmutablecreatefromformat">DateTimeImmutable::createFromFormat</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span>DateTimeImmutable<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">createFromFormat</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Y-m-d H:i:s'</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeImmutable)#1 (3) { ["date"]=> string(26) "2020-01-01 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datetimeimmutablecreatefrommutable">DateTimeImmutable::createFromMutable</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span>DateTimeImmutable<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">createFromMutable</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeImmutable)#2 (3) { ["date"]=> string(26) "2020-01-01 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datetimeimmutablegetlasterrors">DateTimeImmutable::getLastErrors</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span>DateTimeImmutable<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">getLastErrors</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// bool(false)</span>
</code></pre>
<h3 id="datetimeimmutablemodify">DateTimeImmutable::modify</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$date</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTimeImmutable</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">modify</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'+1 day'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeImmutable)#2 (3) { ["date"]=> string(26) "2020-01-02 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datetimeimmutablesetdate">DateTimeImmutable::setDate</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$date</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTimeImmutable</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">setDate</span><span class="token punctuation">(</span><span class="token number">2020</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeImmutable)#2 (3) { ["date"]=> string(26) "2020-02-01 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">setDate</span><span class="token punctuation">(</span><span class="token number">2020</span><span class="token punctuation">,</span> <span class="token number">3</span><span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeImmutable)#2 (3) { ["date"]=> string(26) "2020-03-01 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datetimeimmutablesetisodate">DateTimeImmutable::setISODate</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$date</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTimeImmutable</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">setISODate</span><span class="token punctuation">(</span><span class="token number">2020</span><span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeImmutable)#2 (3) { ["date"]=> string(26) "2019-12-30 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">setISODate</span><span class="token punctuation">(</span><span class="token number">2020</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeImmutable)#2 (3) { ["date"]=> string(26) "2020-01-06 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datetimeimmutablesettime">DateTimeImmutable::setTime</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$date</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTimeImmutable</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">setTime</span><span class="token punctuation">(</span><span class="token number">0</span><span class="token punctuation">,</span> <span class="token number">0</span><span class="token punctuation">,</span> <span class="token number">0</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeImmutable)#2 (3) { ["date"]=> string(26) "2020-01-01 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datetimeimmutablesettimestamp">DateTimeImmutable::setTimestamp</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$date</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTimeImmutable</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">setTimestamp</span><span class="token punctuation">(</span><span class="token function">time</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="datetimeimmutablesettimezone">DateTimeImmutable::setTimezone</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$date</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTimeImmutable</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">setTimezone</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTimeZone</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'UTC'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeImmutable)#3 (3) { ["date"]=> string(26) "2020-01-01 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">setTimezone</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTimeZone</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'PRC'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeImmutable)#2 (3) { ["date"]=> string(26) "2020-01-02 07:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "PRC" }</span>
</code></pre>
<h3 id="datetimeimmutablesub">DateTimeImmutable::sub</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$date</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTimeImmutable</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">sub</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateInterval</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'P10D'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeImmutable)#3 (3) { ["date"]=> string(26) "2019-12-22 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h2 id="datetimeinterface">DateTimeInterface</h2>
<h3 id="datetimediff">DateTime::diff</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$date1</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token variable">$date2</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-02-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date1</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">diff</span><span class="token punctuation">(</span><span class="token variable">$date2</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateInterval)#3 (16) { ["y"]=> int(0) ["m"]=> int(1) ["d"]=> int(0) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["f"]=> float(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(0) ["days"]=> int(31) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }</span>
</code></pre>
<h3 id="datetimeformat">DateTime::format</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$date</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">format</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Y-m-d'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// string(10) "2020-01-01"</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">format</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Y-m-d H:i:s'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// string(19) "2020-01-01 23:59:59"</span>
</code></pre>
<h3 id="datetimegetoffset">DateTime::getOffset</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$date</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">getOffset</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token variable">$date</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">,</span> <span class="token keyword">new</span> <span class="token class-name">DateTimeZone</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'America/New_York'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">getOffset</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="datetimegettimestamp">DateTime::getTimestamp</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$date</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">getTimestamp</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// int(1577923199)</span>
</code></pre>
<h3 id="datetimegettimezone">DateTime::getTimezone</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$date</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$date</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">getTimezone</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeZone)#2 (2) { ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h2 id="datetimezone">DateTimeZone</h2>
<h3 id="datetimezoneconstruct">DateTimeZone::__construct</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTimeZone</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'UTC'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeZone)#1 (2) { ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTimeZone</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'PRC'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeZone)#1 (2) { ["timezone_type"]=> int(3) ["timezone"]=> string(3) "PRC" }</span>
</code></pre>
<h3 id="datetimezonegetlocation">DateTimeZone::getLocation</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$timezone</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTimeZone</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Europe/London'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$timezone</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">getLocation</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// array(4) { ["country_code"]=> string(2) "GB" ["latitude"]=> float(51.50833) ["longitude"]=> float(-0.12528) ["comments"]=> string(0) "" }</span>
</code></pre>
<h3 id="datetimezonegetname">DateTimeZone::getName</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$timezone</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTimeZone</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Europe/London'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$timezone</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">getName</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// string(13) "Europe/London"</span>
</code></pre>
<h3 id="datetimezonegetoffset">DateTimeZone::getOffset</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$timezone</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTimeZone</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Europe/London'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$timezone</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">getOffset</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'now'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="datetimezonegettransitions">DateTimeZone::getTransitions</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$timezone</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTimeZone</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Europe/London'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$timezone</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">getTransitions</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="datetimezonelistabbreviations">DateTimeZone::listAbbreviations</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$timezone</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTimeZone</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Europe/London'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$timezone</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">listAbbreviations</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="datetimezonelistidentifiers">DateTimeZone::listIdentifiers</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$timezone</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateTimeZone</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Europe/London'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$timezone</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">listIdentifiers</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h2 id="dateinterval">DateInterval</h2>
<h3 id="dateintervalconstruct">DateInterval::__construct</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateInterval</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'P10D'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateInterval)#1 (16) { ["y"]=> int(0) ["m"]=> int(0) ["d"]=> int(10) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["f"]=> float(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(0) ["days"]=> bool(false) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateInterval</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'P2Y4DT6H8M'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateInterval)#1 (16) { ["y"]=> int(2) ["m"]=> int(0) ["d"]=> int(4) ["h"]=> int(6) ["i"]=> int(8) ["s"]=> int(0) ["f"]=> float(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(0) ["days"]=> bool(false) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }</span>
</code></pre>
<h3 id="dateintervalcreatefromdatestring">DateInterval::createFromDateString</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span>DateInterval<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">createFromDateString</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'1 day'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateInterval)#1 (16) { ["y"]=> int(0) ["m"]=> int(0) ["d"]=> int(1) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["f"]=> float(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(0) ["days"]=> bool(false) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span>DateInterval<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">createFromDateString</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2 weeks'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateInterval)#1 (16) { ["y"]=> int(0) ["m"]=> int(0) ["d"]=> int(14) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["f"]=> float(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(0) ["days"]=> bool(false) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span>DateInterval<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">createFromDateString</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'3 months'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateInterval)#1 (16) { ["y"]=> int(0) ["m"]=> int(3) ["d"]=> int(0) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["f"]=> float(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(0) ["days"]=> bool(false) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span>DateInterval<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">createFromDateString</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'4 years'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateInterval)#1 (16) { ["y"]=> int(4) ["m"]=> int(0) ["d"]=> int(0) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["f"]=> float(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(0) ["days"]=> bool(false) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }</span>
</code></pre>
<h3 id="dateintervalformat">DateInterval::format</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$interval</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DateInterval</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'P2Y4DT6H8M'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$interval</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">format</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'%y years'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// string(7) "2 years"</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$interval</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">format</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'%d days'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// string(6) "4 days"</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$interval</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">format</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'%h hours'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// string(7) "6 hours"</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$interval</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">format</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'%i minutes'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// string(9) "8 minutes"</span>
</code></pre>
<h2 id="dateperiod">DatePeriod</h2>
<h3 id="dateperiodconstruct">DatePeriod::__construct</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DatePeriod</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token keyword">new</span> <span class="token class-name">DateInterval</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'P10D'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-02-01'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DatePeriod)#1 (6) { ["start"]=> object(DateTime)#4 (3) { ["date"]=> string(26) "2020-01-01 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } ["current"]=> NULL ["end"]=> object(DateTime)#3 (3) { ["date"]=> string(26) "2020-02-01 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } ["interval"]=> object(DateInterval)#2 (16) { ["y"]=> int(0) ["m"]=> int(0) ["d"]=> int(10) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["f"]=> float(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(0) ["days"]=> bool(false) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) } ["recurrences"]=> int(1) ["include_start_date"]=> bool(true) }</span>
</code></pre>
<h3 id="dateperiodgetdateinterval">DatePeriod::getDateInterval</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$period</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DatePeriod</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token keyword">new</span> <span class="token class-name">DateInterval</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'P10D'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-02-01'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$period</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">getDateInterval</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateInterval)#4 (16) { ["y"]=> int(0) ["m"]=> int(0) ["d"]=> int(10) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["f"]=> float(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(0) ["days"]=> bool(false) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }</span>
</code></pre>
<h3 id="dateperiodgetenddate">DatePeriod::getEndDate</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$period</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DatePeriod</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token keyword">new</span> <span class="token class-name">DateInterval</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'P10D'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-02-01'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$period</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">getEndDate</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#4 (3) { ["date"]=> string(26) "2020-02-01 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="dateperiodgetrecurrences">DatePeriod::getRecurrences</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$period</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DatePeriod</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token keyword">new</span> <span class="token class-name">DateInterval</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'P10D'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-02-01'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$period</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">getRecurrences</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// NULL</span>
<span class="token variable">$period</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DatePeriod</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token keyword">new</span> <span class="token class-name">DateInterval</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'P10D'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token number">4</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$period</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">getRecurrences</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// int(4)</span>
</code></pre>
<h3 id="dateperiodgetstartdate">DatePeriod::getStartDate</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$period</span> <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DatePeriod</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token keyword">new</span> <span class="token class-name">DateInterval</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'P10D'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-02-01'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$period</span><span class="token operator">-</span><span class="token operator">></span><span class="token function">getStartDate</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#4 (3) { ["date"]=> string(26) "2020-01-01 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h2 id="date--time">Date / Time</h2>
<h3 id="checkdate">checkdate</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">checkdate</span><span class="token punctuation">(</span><span class="token number">12</span><span class="token punctuation">,</span> <span class="token number">31</span><span class="token punctuation">,</span> <span class="token number">2020</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// bool(true)</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">checkdate</span><span class="token punctuation">(</span><span class="token number">2</span><span class="token punctuation">,</span> <span class="token number">29</span><span class="token punctuation">,</span> <span class="token number">2019</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// bool(false)</span>
</code></pre>
<h3 id="dateadd">date_add</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_add</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token keyword">new</span> <span class="token class-name">DateInterval</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'P10D'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-01-11 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datecreatefromformat">date_create_from_format</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_create_from_format</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Y-m-d H:i:s'</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-01-01 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datecreateimmutablefromformat">date_create_immutable_from_format</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_create_immutable_from_format</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Y-m-d H:i:s'</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeImmutable)#1 (3) { ["date"]=> string(26) "2020-01-01 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datecreateimmutable">date_create_immutable</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_create_immutable</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'+1 day'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeImmutable)#1 (3) { ["date"]=> string(26) "2020-05-13 07:22:29.234731" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_create_immutable</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'-1 day'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeImmutable)#1 (3) { ["date"]=> string(26) "2020-05-11 07:22:29.234745" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_create_immutable</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'+1 month'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeImmutable)#1 (3) { ["date"]=> string(26) "2020-06-12 07:22:29.234752" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datecreate">date_create</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_create</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-01-01 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_create</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-01-01 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_create</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'now'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="datedateset">date_date_set</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_date_set</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token number">2020</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-02-01 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_date_set</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token number">2020</span><span class="token punctuation">,</span> <span class="token number">3</span><span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-03-01 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datedefaulttimezoneget">date_default_timezone_get</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_default_timezone_get</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="datedefaulttimezoneset">date_default_timezone_set</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_default_timezone_set</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'UTC'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// bool(true)</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_default_timezone_set</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'PRC'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// bool(true)</span>
</code></pre>
<h3 id="datediff">date_diff</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_diff</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-02-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateInterval)#3 (16) { ["y"]=> int(0) ["m"]=> int(1) ["d"]=> int(0) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["f"]=> float(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(0) ["days"]=> int(31) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }</span>
</code></pre>
<h3 id="dateformat">date_format</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_format</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'Y-m-d'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// string(10) "2020-01-01"</span>
</code></pre>
<h3 id="dategetlasterrors">date_get_last_errors</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_get_last_errors</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// bool(false)</span>
</code></pre>
<h3 id="dateintervalcreatefromdatestring">date_interval_create_from_date_string</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_interval_create_from_date_string</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'1 day'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateInterval)#1 (16) { ["y"]=> int(0) ["m"]=> int(0) ["d"]=> int(1) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["f"]=> float(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(0) ["days"]=> bool(false) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_interval_create_from_date_string</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2 weeks'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateInterval)#1 (16) { ["y"]=> int(0) ["m"]=> int(0) ["d"]=> int(14) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["f"]=> float(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(0) ["days"]=> bool(false) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_interval_create_from_date_string</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'3 month'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateInterval)#1 (16) { ["y"]=> int(0) ["m"]=> int(3) ["d"]=> int(0) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["f"]=> float(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(0) ["days"]=> bool(false) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_interval_create_from_date_string</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'4 years'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateInterval)#1 (16) { ["y"]=> int(4) ["m"]=> int(0) ["d"]=> int(0) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["f"]=> float(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(0) ["days"]=> bool(false) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }</span>
</code></pre>
<h3 id="dateintervalformat">date_interval_format</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_interval_format</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateInterval</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'P2Y4DT6H8M'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'%y years'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// string(7) "2 years"</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_interval_format</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateInterval</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'P2Y4DT6H8M'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'%d days'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// string(6) "4 days"</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_interval_format</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateInterval</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'P2Y4DT6H8M'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'%h hours'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// string(7) "6 hours"</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_interval_format</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateInterval</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'P2Y4DT6H8M'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'%i minutes'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// string(9) "8 minutes"</span>
</code></pre>
<h3 id="dateisodateset">date_isodate_set</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_isodate_set</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token number">2020</span><span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2019-12-30 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_isodate_set</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token number">2020</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-01-06 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_isodate_set</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token number">2020</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-01-07 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datemodify">date_modify</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_modify</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'+1 day'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-01-02 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_modify</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'-1 day'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2019-12-31 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_modify</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'+1 month'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-02-01 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="dateoffsetget">date_offset_get</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_offset_get</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="dateparsefromformat">date_parse_from_format</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_parse_from_format</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Y-m-d'</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'2020-01-01'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// array(12) { ["year"]=> int(2020) ["month"]=> int(1) ["day"]=> int(1) ["hour"]=> bool(false) ["minute"]=> bool(false) ["second"]=> bool(false) ["fraction"]=> bool(false) ["warning_count"]=> int(0) ["warnings"]=> array(0) { } ["error_count"]=> int(0) ["errors"]=> array(0) { } ["is_localtime"]=> bool(false) }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_parse_from_format</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Y-m-d H:i:s'</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// array(12) { ["year"]=> int(2020) ["month"]=> int(1) ["day"]=> int(1) ["hour"]=> int(23) ["minute"]=> int(59) ["second"]=> int(59) ["fraction"]=> float(0) ["warning_count"]=> int(0) ["warnings"]=> array(0) { } ["error_count"]=> int(0) ["errors"]=> array(0) { } ["is_localtime"]=> bool(false) }</span>
</code></pre>
<h3 id="dateparse">date_parse</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_parse</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// array(12) { ["year"]=> int(2020) ["month"]=> int(1) ["day"]=> int(1) ["hour"]=> bool(false) ["minute"]=> bool(false) ["second"]=> bool(false) ["fraction"]=> bool(false) ["warning_count"]=> int(0) ["warnings"]=> array(0) { } ["error_count"]=> int(0) ["errors"]=> array(0) { } ["is_localtime"]=> bool(false) }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_parse</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// array(12) { ["year"]=> int(2020) ["month"]=> int(1) ["day"]=> int(1) ["hour"]=> int(23) ["minute"]=> int(59) ["second"]=> int(59) ["fraction"]=> float(0) ["warning_count"]=> int(0) ["warnings"]=> array(0) { } ["error_count"]=> int(0) ["errors"]=> array(0) { } ["is_localtime"]=> bool(false) }</span>
</code></pre>
<h3 id="datesub">date_sub</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_sub</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token keyword">new</span> <span class="token class-name">DateInterval</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'P10D'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2019-12-22 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datesuninfo">date_sun_info</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_sun_info</span><span class="token punctuation">(</span><span class="token function">time</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token number">31.7667</span><span class="token punctuation">,</span> <span class="token number">35.2333</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="datesunrise">date_sunrise</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_sunrise</span><span class="token punctuation">(</span><span class="token function">time</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_sunrise</span><span class="token punctuation">(</span><span class="token function">time</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token constant">SUNFUNCS_RET_STRING</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_sunrise</span><span class="token punctuation">(</span><span class="token function">time</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token constant">SUNFUNCS_RET_STRING</span><span class="token punctuation">,</span> <span class="token number">31.7667</span><span class="token punctuation">,</span> <span class="token number">35.2333</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="datesunset">date_sunset</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_sunset</span><span class="token punctuation">(</span><span class="token function">time</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_sunset</span><span class="token punctuation">(</span><span class="token function">time</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token constant">SUNFUNCS_RET_STRING</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_sunset</span><span class="token punctuation">(</span><span class="token function">time</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token constant">SUNFUNCS_RET_STRING</span><span class="token punctuation">,</span> <span class="token number">31.7667</span><span class="token punctuation">,</span> <span class="token number">35.2333</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="datetimeset">date_time_set</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_time_set</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token number">0</span><span class="token punctuation">,</span> <span class="token number">0</span><span class="token punctuation">,</span> <span class="token number">0</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-01-01 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_time_set</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">,</span> <span class="token number">0</span><span class="token punctuation">,</span> <span class="token number">0</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-01-01 01:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datetimestampget">date_timestamp_get</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_timestamp_get</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// int(1577923199)</span>
</code></pre>
<h3 id="datetimestampset">date_timestamp_set</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_timestamp_set</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token function">time</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="datetimezoneget">date_timezone_get</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_timezone_get</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeZone)#2 (2) { ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
</code></pre>
<h3 id="datetimezoneset">date_timezone_set</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date_timezone_set</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'2020-01-01 23:59:59'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token keyword">new</span> <span class="token class-name">DateTimezone</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'PRC'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTime)#1 (3) { ["date"]=> string(26) "2020-01-02 07:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "PRC" }</span>
</code></pre>
<h3 id="date">date</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Y-m-d'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Y-m-d H:i:s'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">date</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Y-m-d H:i:s'</span><span class="token punctuation">,</span> <span class="token function">time</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="getdate">getdate</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">getdate</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">getdate</span><span class="token punctuation">(</span><span class="token function">time</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="gettimeofday">gettimeofday</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">gettimeofday</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">gettimeofday</span><span class="token punctuation">(</span><span class="token boolean constant">true</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="gmdate">gmdate</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">gmdate</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Y-m-d'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">gmdate</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Y-m-d'</span><span class="token punctuation">,</span> <span class="token function">time</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="gmstrftime">gmstrftime</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">gmstrftime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'%Y-%m-%d'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="idate">idate</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">idate</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Y'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">idate</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'m'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">idate</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'d'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="localtime">localtime</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">localtime</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">localtime</span><span class="token punctuation">(</span><span class="token function">time</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="microtime">microtime</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">microtime</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">microtime</span><span class="token punctuation">(</span><span class="token boolean constant">true</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="strftime">strftime</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">strftime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'%Y-%m-%d'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">strftime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'%Y-%m-%d'</span><span class="token punctuation">,</span> <span class="token function">time</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="strtotime">strtotime</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">strtotime</span><span class="token punctuation">(</span><span class="token function">date</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Y-m-d'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">strtotime</span><span class="token punctuation">(</span><span class="token function">date</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Y-m-d H:i:s'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="time">time</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">time</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="timezoneabbreviationslist">timezone_abbreviations_list</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">timezone_abbreviations_list</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="timezoneidentifierslist">timezone_identifiers_list</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">timezone_identifiers_list</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="timezonelocationget">timezone_location_get</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">timezone_location_get</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTimeZone</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Europe/London'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// array(4) { ["country_code"]=> string(2) "GB" ["latitude"]=> float(51.50833) ["longitude"]=> float(-0.12528) ["comments"]=> string(0) "" }</span>
</code></pre>
<h3 id="timezonenamefromabbr">timezone_name_from_abbr</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">timezone_name_from_abbr</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'CET'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// string(13) "Europe/Berlin"</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">timezone_name_from_abbr</span><span class="token punctuation">(</span><span class="token single-quoted-string string">''</span><span class="token punctuation">,</span> <span class="token number">3600</span><span class="token punctuation">,</span> <span class="token number">0</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// string(12) "Europe/Paris"</span>
</code></pre>
<h3 id="timezonenameget">timezone_name_get</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">timezone_name_get</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTimeZone</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Europe/London'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// string(13) "Europe/London"</span>
</code></pre>
<h3 id="timezoneoffsetget">timezone_offset_get</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">timezone_offset_get</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTimeZone</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Europe/London'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token keyword">new</span> <span class="token class-name">DateTime</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'now'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="timezoneopen">timezone_open</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">timezone_open</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'UTC'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeZone)#1 (2) { ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">timezone_open</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'PRC'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// object(DateTimeZone)#1 (2) { ["timezone_type"]=> int(3) ["timezone"]=> string(3) "PRC" }</span>
</code></pre>
<h3 id="timezonetransitionsget">timezone_transitions_get</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">timezone_transitions_get</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">DateTimeZone</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'Europe/London'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3 id="timezoneversionget">timezone_version_get</h3>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">timezone_version_get</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
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