phpjs
Version:
54 lines (52 loc) • 2 kB
JavaScript
function str_replace(search, replace, subject, count) {
// From: http://phpjs.org/functions
// + original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
// + improved by: Gabriel Paderni
// + improved by: Philip Peterson
// + improved by: Simon Willison (http://simonwillison.net)
// + revised by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)
// + bugfixed by: Anton Ongson
// + input by: Onno Marsman
// + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
// + tweaked by: Onno Marsman
// + input by: Brett Zamir (http://brett-zamir.me)
// + bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
// + input by: Oleg Eremeev
// + improved by: Brett Zamir (http://brett-zamir.me)
// + bugfixed by: Oleg Eremeev
// % note 1: The count parameter must be passed as a string in order
// % note 1: to find a global variable in which the result will be given
// * example 1: str_replace(' ', '.', 'Kevin van Zonneveld');
// * returns 1: 'Kevin.van.Zonneveld'
// * example 2: str_replace(['{name}', 'l'], ['hello', 'm'], '{name}, lars');
// * returns 2: 'hemmo, mars'
var i = 0,
j = 0,
temp = '',
repl = '',
sl = 0,
fl = 0,
f = [].concat(search),
r = [].concat(replace),
s = subject,
ra = Object.prototype.toString.call(r) === '[object Array]',
sa = Object.prototype.toString.call(s) === '[object Array]';
s = [].concat(s);
if (count) {
this.window[count] = 0;
}
for (i = 0, sl = s.length; i < sl; i++) {
if (s[i] === '') {
continue;
}
for (j = 0, fl = f.length; j < fl; j++) {
temp = s[i] + '';
repl = ra ? (r[j] !== undefined ? r[j] : '') : r[0];
s[i] = (temp).split(f[j]).join(repl);
if (count && s[i] !== temp) {
this.window[count] += (temp.length - s[i].length) / f[j].length;
}
}
}
return sa ? s : s[0];
}