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onyx/modules/templates/smarty/plugins/modifier.upper.php

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+<?php
+/**
+* Smarty plugin
+* 
+* @package Smarty
+* @subpackage PluginsModifier
+*/
+
+/**
+* Smarty upper modifier plugin
+* 
+* Type:     modifier<br>
+* Name:     upper<br>
+* Purpose:  convert string to uppercase
+* 
+* @link http://smarty.php.net/manual/en/language.modifier.upper.php upper (Smarty online manual)
+* @author Monte Ohrt <monte at ohrt dot com> 
+* @param string $ 
+* @return string 
+*/
+function smarty_modifier_upper($string)
+{
+    if (function_exists('mb_strtoupper')) {
+        return mb_strtoupper($string);
+    } else {
+        return strtoupper($string);
+    } 
+} 
+
+?>