box-o-sand/php-practice/web/html/wikipedia-tutorial/libs/plugins/modifier.replace.php

51 lines
1.5 KiB
PHP

<?php
/**
* Smarty plugin
* @package Smarty
* @subpackage PluginsModifier
*/
/**
* Smarty replace modifier plugin
*
* Type: modifier<br>
* Name: replace<br>
* Purpose: simple search/replace
*
* @link http://smarty.php.net/manual/en/language.modifier.replace.php replace (Smarty online manual)
* @author Monte Ohrt <monte at ohrt dot com>
* @author Uwe Tews
* @param string $
* @param string $
* @param string $
* @return string
*/
function smarty_modifier_replace($string, $search, $replace)
{
if (!function_exists('mb_str_replace')) {
// simulate the missing PHP mb_str_replace function
function mb_str_replace($needles, $replacements, $haystack)
{
$rep = (array)$replacements;
foreach ((array)$needles as $key => $needle) {
$replacement = $rep[$key];
$needle_len = mb_strlen($needle);
$replacement_len = mb_strlen($replacement);
$pos = mb_strpos($haystack, $needle, 0);
while ($pos !== false) {
$haystack = mb_substr($haystack, 0, $pos) . $replacement
. mb_substr($haystack, $pos + $needle_len);
$pos = mb_strpos($haystack, $needle, $pos + $replacement_len);
}
}
return $haystack;
}
}
if (function_exists('mb_substr')) {
return mb_str_replace($search, $replace, $string);
} else {
return str_replace($search, $replace, $string);
}
}
?>