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declare
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include_once
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返回值
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可变函数
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类与对象
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构造函数和析构函数
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对象继承
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抽象类
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对象接口
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Trait
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遍历对象
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魔术方法
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Final 关键字
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对象比较
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<h1 id="xml-解析器">XML 解析器</h1>
<ul>
<li><a href="#utf8decode">utf8_decode - 将用 UTF-8 方式编码的 ISO-8859-1 字符串转换成单字节的 ISO-8859-1 字符串</a></li>
<li><a href="#utf8encode">utf8_encode - 将 ISO-8859-1 编码的字符串转换为 UTF-8 编码</a></li>
<li><a href="#xmlerrorstring">xml_error_string - 获取 XML 解析器的错误字符串</a></li>
<li><a href="#xmlgetcurrentbyteindex">xml_get_current_byte_index - 获取 XML 解析器的当前字节索引</a></li>
<li><a href="#xmlgetcurrentcolumnnumber">xml_get_current_column_number - 获取 XML 解析器的当前列号</a></li>
<li><a href="#xmlgetcurrentlinenumber">xml_get_current_line_number - 获取 XML 解析器的当前行号</a></li>
<li><a href="#xmlgeterrorcode">xml_get_error_code - 获取 XML 解析器错误代码</a></li>
<li><a href="#xmlparseintostruct">xml_parse_into_struct - 将 XML 数据解析到数组中</a></li>
<li><a href="#xmlparse">xml_parse - 开始解析一个 XML 文档</a></li>
<li><a href="#xmlparsercreatens">xml_parser_create_ns - 生成一个支持命名空间的 XML 解析器</a></li>
<li><a href="#xmlparsercreate">xml_parser_create - 建立一个 XML 解析器</a></li>
<li><a href="#xmlparserfree">xml_parser_free - 释放指定的 XML 解析器</a></li>
<li><a href="#xmlparsergetoption">xml_parser_get_option - 从 XML 解析器获取选项设置信息</a></li>
<li><a href="#xmlparsersetoption">xml_parser_set_option - 为指定 XML 解析进行选项设置</a></li>
<li><a href="#xmlsetcharacterdatahandler">xml_set_character_data_handler - 建立字符数据处理器</a></li>
<li><a href="#xmlsetdefaulthandler">xml_set_default_handler - 建立默认处理器</a></li>
<li><a href="#xmlsetelementhandler">xml_set_element_handler - 建立起始和终止元素处理器</a></li>
<li><a href="#xmlsetendnamespacedeclhandler">xml_set_end_namespace_decl_handler - 建立终止命名空间声明处理器</a></li>
<li><a href="#xmlsetexternalentityrefhandler">xml_set_external_entity_ref_handler - 建立外部实体指向处理器</a></li>
<li><a href="#xmlsetnotationdeclhandler">xml_set_notation_decl_handler - 建立注释声明处理器</a></li>
<li><a href="#xmlsetobject">xml_set_object - 在对象中使用 XML 解析器</a></li>
<li><a href="#xmlsetprocessinginstructionhandler">xml_set_processing_instruction_handler - 建立处理指令处理器</a></li>
<li><a href="#xmlsetstartnamespacedeclhandler">xml_set_start_namespace_decl_handler - 建立起始命名空间声明处理器</a></li>
<li><a href="#xmlsetunparsedentitydeclhandler">xml_set_unparsed_entity_decl_handler - 建立未解析实体定义声明处理器</a></li>
</ul>
<h2 id="utf8decode">utf8_decode</h2>
<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">utf8_decode</span><span class="token punctuation">(</span><span class="token double-quoted-string string">"\x66\x6f\x6f"</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// string(3) "foo"</span>
</code></pre>
<h2 id="utf8encode">utf8_encode</h2>
<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">utf8_encode</span><span class="token punctuation">(</span><span class="token single-quoted-string string">'foo'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// string(3) "foo"</span>
</code></pre>
<h2 id="xmlerrorstring">xml_error_string</h2>
<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">xml_error_string</span><span class="token punctuation">(</span><span class="token function">xml_get_error_code</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</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 punctuation">;</span> <span class="token comment">// string(8) "No error"</span>
</code></pre>
<h2 id="xmlgetcurrentbyteindex">xml_get_current_byte_index</h2>
<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">xml_get_current_byte_index</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</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 comment">// int(0)</span>
</code></pre>
<h2 id="xmlgetcurrentcolumnnumber">xml_get_current_column_number</h2>
<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">xml_get_current_column_number</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</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 comment">// int(1)</span>
</code></pre>
<h2 id="xmlgetcurrentlinenumber">xml_get_current_line_number</h2>
<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">xml_get_current_line_number</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</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 comment">// int(1)</span>
</code></pre>
<h2 id="xmlgeterrorcode">xml_get_error_code</h2>
<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">xml_get_error_code</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</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 comment">// int(0)</span>
</code></pre>
<h2 id="xmlparseintostruct">xml_parse_into_struct</h2>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$parser</span> <span class="token operator">=</span> <span class="token function">xml_parser_create</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token variable">$xml</span> <span class="token operator">=</span> <span class="token operator"><</span><span class="token operator"><</span><span class="token operator"><</span><span class="token constant">XML</span>
<span class="token operator"><</span><span class="token operator">?</span>xml version<span class="token operator">=</span><span class="token double-quoted-string string">"1.0"</span> encoding<span class="token operator">=</span><span class="token double-quoted-string string">"UTF-8"</span><span class="token operator">?</span><span class="token operator">></span>
<span class="token operator"><</span>document<span class="token operator">></span>
<span class="token operator"><</span>title<span class="token operator">></span><span class="token constant">XML</span><span class="token operator"><</span><span class="token operator">/</span>title<span class="token operator">></span>
<span class="token operator"><</span>body<span class="token operator">></span>Here is some text<span class="token punctuation">.</span><span class="token operator"><</span><span class="token operator">/</span>body<span class="token operator">></span>
<span class="token operator"><</span><span class="token operator">/</span>document<span class="token operator">></span>
<span class="token constant">XML</span><span class="token punctuation">;</span>
<span class="token variable">$array</span> <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">xml_parse_into_struct</span><span class="token punctuation">(</span><span class="token variable">$parser</span><span class="token punctuation">,</span> <span class="token variable">$xml</span><span class="token punctuation">,</span> <span class="token variable">$array</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// int(1)</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token variable">$array</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// array(6) { [0]=> array(4) { ["tag"]=> string(8) "DOCUMENT" ["type"]=> string(4) "open" ["level"]=> int(1) ["value"]=> string(5) " " } [1]=> array(4) { ["tag"]=> string(5) "TITLE" ["type"]=> string(8) "complete" ["level"]=> int(2) ["value"]=> string(3) "XML" } [2]=> array(4) { ["tag"]=> string(8) "DOCUMENT" ["value"]=> string(5) " " ["type"]=> string(5) "cdata" ["level"]=> int(1) } [3]=> array(4) { ["tag"]=> string(4) "BODY" ["type"]=> string(8) "complete" ["level"]=> int(2) ["value"]=> string(18) "Here is some text." } [4]=> array(4) { ["tag"]=> string(8) "DOCUMENT" ["value"]=> string(1) " " ["type"]=> string(5) "cdata" ["level"]=> int(1) } [5]=> array(3) { ["tag"]=> string(8) "DOCUMENT" ["type"]=> string(5) "close" ["level"]=> int(1) } }</span>
</code></pre>
<h2 id="xmlparse">xml_parse</h2>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$parser</span> <span class="token operator">=</span> <span class="token function">xml_parser_create</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token variable">$xml</span> <span class="token operator">=</span> <span class="token operator"><</span><span class="token operator"><</span><span class="token operator"><</span><span class="token constant">XML</span>
<span class="token operator"><</span><span class="token operator">?</span>xml version<span class="token operator">=</span><span class="token double-quoted-string string">"1.0"</span> encoding<span class="token operator">=</span><span class="token double-quoted-string string">"UTF-8"</span><span class="token operator">?</span><span class="token operator">></span>
<span class="token operator"><</span>document<span class="token operator">></span>
<span class="token operator"><</span>title<span class="token operator">></span><span class="token constant">XML</span><span class="token operator"><</span><span class="token operator">/</span>title<span class="token operator">></span>
<span class="token operator"><</span>body<span class="token operator">></span>Here is some text<span class="token punctuation">.</span><span class="token operator"><</span><span class="token operator">/</span>body<span class="token operator">></span>
<span class="token operator"><</span><span class="token operator">/</span>document<span class="token operator">></span>
<span class="token constant">XML</span><span class="token punctuation">;</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">xml_parse</span><span class="token punctuation">(</span><span class="token variable">$parser</span><span class="token punctuation">,</span> <span class="token variable">$xml</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// int(1)</span>
</code></pre>
<h2 id="xmlparsercreatens">xml_parser_create_ns</h2>
<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">xml_parser_create_ns</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">// resource(4) of type (xml)</span>
</code></pre>
<h2 id="xmlparsercreate">xml_parser_create</h2>
<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">xml_parser_create</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">// resource(4) of type (xml)</span>
</code></pre>
<h2 id="xmlparserfree">xml_parser_free</h2>
<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">xml_parser_free</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</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 comment">// bool(true)</span>
</code></pre>
<h2 id="xmlparsergetoption">xml_parser_get_option</h2>
<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">xml_parser_get_option</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token constant">XML_OPTION_CASE_FOLDING</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">xml_parser_get_option</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token constant">XML_OPTION_SKIP_TAGSTART</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">xml_parser_get_option</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token constant">XML_OPTION_SKIP_WHITE</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">xml_parser_get_option</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token constant">XML_OPTION_TARGET_ENCODING</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h2 id="xmlparsersetoption">xml_parser_set_option</h2>
<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">xml_parser_set_option</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token constant">XML_OPTION_CASE_FOLDING</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">// bool(true)</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">xml_parser_set_option</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token constant">XML_OPTION_SKIP_TAGSTART</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">// bool(true)</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">xml_parser_set_option</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token constant">XML_OPTION_SKIP_WHITE</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">// bool(true)</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">xml_parser_set_option</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token constant">XML_OPTION_TARGET_ENCODING</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'UTF-8'</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>
<h2 id="xmlsetcharacterdatahandler">xml_set_character_data_handler</h2>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token comment">/**
* Just a test function.
*
* @param void
* @return void
*/</span>
<span class="token keyword">function</span> <span class="token function">foo</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token comment">//</span>
<span class="token punctuation">}</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">xml_set_character_data_handler</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'foo'</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>
<h2 id="xmlsetdefaulthandler">xml_set_default_handler</h2>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token comment">/**
* Just a test function.
*
* @param void
* @return void
*/</span>
<span class="token keyword">function</span> <span class="token function">foo</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token comment">//</span>
<span class="token punctuation">}</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">xml_set_default_handler</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'foo'</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>
<h2 id="xmlsetelementhandler">xml_set_element_handler</h2>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token comment">/**
* Just a test function.
*
* @param void
* @return void
*/</span>
<span class="token keyword">function</span> <span class="token function">foo</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token comment">//</span>
<span class="token punctuation">}</span>
<span class="token comment">/**
* Just a test function.
*
* @param void
* @return void
*/</span>
<span class="token keyword">function</span> <span class="token function">bar</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token comment">//</span>
<span class="token punctuation">}</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">xml_set_element_handler</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'foo'</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'bar'</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>
<h2 id="xmlsetendnamespacedeclhandler">xml_set_end_namespace_decl_handler</h2>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token comment">/**
* Just a test function.
*
* @param void
* @return void
*/</span>
<span class="token keyword">function</span> <span class="token function">foo</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token comment">//</span>
<span class="token punctuation">}</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">xml_set_end_namespace_decl_handler</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'foo'</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>
<h2 id="xmlsetexternalentityrefhandler">xml_set_external_entity_ref_handler</h2>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token comment">/**
* Just a test function.
*
* @param void
* @return void
*/</span>
<span class="token keyword">function</span> <span class="token function">foo</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token comment">//</span>
<span class="token punctuation">}</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">xml_set_external_entity_ref_handler</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'foo'</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>
<h2 id="xmlsetnotationdeclhandler">xml_set_notation_decl_handler</h2>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token comment">/**
* Just a test function.
*
* @param void
* @return void
*/</span>
<span class="token keyword">function</span> <span class="token function">foo</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token comment">//</span>
<span class="token punctuation">}</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">xml_set_notation_decl_handler</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'foo'</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>
<h2 id="xmlsetobject">xml_set_object</h2>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token keyword">class</span> <span class="token class-name">Foo</span>
<span class="token punctuation">{</span>
<span class="token comment">//</span>
<span class="token punctuation">}</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">xml_set_object</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token keyword">new</span> <span class="token class-name">Foo</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 comment">// bool(true)</span>
</code></pre>
<h2 id="xmlsetprocessinginstructionhandler">xml_set_processing_instruction_handler</h2>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token comment">/**
* Just a test function.
*
* @param void
* @return void
*/</span>
<span class="token keyword">function</span> <span class="token function">foo</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token comment">//</span>
<span class="token punctuation">}</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">xml_set_processing_instruction_handler</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'foo'</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>
<h2 id="xmlsetstartnamespacedeclhandler">xml_set_start_namespace_decl_handler</h2>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token comment">/**
* Just a test function.
*
* @param void
* @return void
*/</span>
<span class="token keyword">function</span> <span class="token function">foo</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token comment">//</span>
<span class="token punctuation">}</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">xml_set_start_namespace_decl_handler</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'foo'</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>
<h2 id="xmlsetunparsedentitydeclhandler">xml_set_unparsed_entity_decl_handler</h2>
<pre class="language-"><code class="lang-php"><span class="token delimiter important"><?php</span>
<span class="token comment">/**
* Just a test function.
*
* @param void
* @return void
*/</span>
<span class="token keyword">function</span> <span class="token function">foo</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token comment">//</span>
<span class="token punctuation">}</span>
<span class="token function">var_dump</span><span class="token punctuation">(</span><span class="token function">xml_set_unparsed_entity_decl_handler</span><span class="token punctuation">(</span><span class="token function">xml_parser_create</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token single-quoted-string string">'foo'</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>
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