rhagni/ultimate_str_replace.php

## ultimate_str_replace.php
<?php
/**
 * Fastest and multimes str_replace
 *
 * Faster than str_replace when subject is an array and replace many times
 * is possible from subject
 *
 *<code>
 *  $example = "<ht<html>ml> Malicious code </<html>html> etc";
 *  echo ultimate_str_replace(["<html>", "</html>"], "", $example);
 *  // Outputs: " Malicious code etc"
 *</code>
 *
 * @see http://php.net/manual/en/function.str-replace.php#100871
 *
 * @see http://php.net/manual/en/function.str-replace.php#118785
 *
 * @param string|string[] $search
 *
 * @param string|string[] $replace
 *
 * @param string|string[] $subject
 *
 * @return string|string[]
 */
function ultimate_str_replace($search, $replace, $subject) {
    if (is_array($subject)) {
        foreach ($subject as &$sub) {
            $sub = ultimate_str_replace($search, $replace, $sub);
        }
    } else {
        $exists = 0;
        do {
            $subject = str_replace($search, $replace, $subject, $exists);
        } while($exists);
    }
    return $subject;
}
	<?php
	/**
	* Fastest and multimes str_replace
	*
	* Faster than str_replace when subject is an array and replace many times
	* is possible from subject
	*
	*<code>
	* $example = "<ht<html>ml> Malicious code </<html>html> etc";
	* echo ultimate_str_replace(["<html>", "</html>"], "", $example);
	* // Outputs: " Malicious code etc"
	*</code>
	*
	* @see http://php.net/manual/en/function.str-replace.php#100871
	*
	* @see http://php.net/manual/en/function.str-replace.php#118785
	*
	* @param string\|string[] $search
	*
	* @param string\|string[] $replace
	*
	* @param string\|string[] $subject
	*
	* @return string\|string[]
	*/
	function ultimate_str_replace($search, $replace, $subject) {
	if (is_array($subject)) {
	foreach ($subject as &$sub) {
	$sub = ultimate_str_replace($search, $replace, $sub);
	}
	} else {
	$exists = 0;
	do {
	$subject = str_replace($search, $replace, $subject, $exists);
	} while($exists);
	}
	return $subject;
	}