File lass/smarty/plugins/modifier.regex

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 1: <?php
 2: /**
 3:  * Smarty plugin
 4:  * @package Smarty
 5:  * @subpackage plugins
 6:  */
 7: 
 8: 
 9: /**
10:  * Smarty regex_replace modifier plugin
11:  *
12:  * Type:     modifier<br>
13:  * Name:     regex_replace<br>
14:  * Purpose:  regular expression search/replace
15:  * @link http://smarty.php.net/manual/en/language.modifier.regex.replace.php
16:  *          regex_replace (Smarty online manual)
17:  * @author   Monte Ohrt <monte at ohrt dot com>
18:  * @param string
19:  * @param string|array
20:  * @param string|array
21:  * @return string
22:  */
23: function smarty_modifier_regex_replace($string, $search, $replace)
24: {
25:     if(is_array($search)) {
26:       foreach($search as $idx => $s)
27:         $search[$idx] = _smarty_regex_replace_check($s);
28:     } else {
29:       $search = _smarty_regex_replace_check($search);
30:     }       
31: 
32:     return preg_replace($search, $replace, $string);
33: }
34: 
35: function _smarty_regex_replace_check($search)
36: {
37:     if (($pos = strpos($search,"\0")) !== false)
38:       $search = substr($search,0,$pos);
39:     if (preg_match('!([a-zA-Z\s]+)$!s', $search, $match) && (strpos($match[1], 'e') !== false)) {
40:         /* remove eval-modifier from $search */
41:         $search = substr($search, 0, -strlen($match[1])) . preg_replace('![e\s]+!', '', $match[1]);
42:     }
43:     return $search;
44: }
45: 
46: /* vim: set expandtab: */
47: 
48: ?>
49: