a grand renaming so that the most significant portion of the name comes first

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

@@ -0,0 +1,51 @@
+<?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);
+    } 
+} 
+
+?>