modifier.regex_replace.php (1575B)
1 <?php 2 /** 3 * Smarty plugin 4 * 5 * @package Smarty 6 * @subpackage PluginsModifier 7 */ 8 9 /** 10 * Smarty regex_replace modifier plugin 11 * Type: modifier<br> 12 * Name: regex_replace<br> 13 * Purpose: regular expression search/replace 14 * 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 * 19 * @param string $string input string 20 * @param string|array $search regular expression(s) to search for 21 * @param string|array $replace string(s) that should be replaced 22 * 23 * @return string 24 */ 25 function smarty_modifier_regex_replace($string, $search, $replace) 26 { 27 if (is_array($search)) { 28 foreach ($search as $idx => $s) { 29 $search[$idx] = _smarty_regex_replace_check($s); 30 } 31 } else { 32 $search = _smarty_regex_replace_check($search); 33 } 34 35 return preg_replace($search, $replace, $string); 36 } 37 38 /** 39 * @param string $search string(s) that should be replaced 40 * 41 * @return string 42 * @ignore 43 */ 44 function _smarty_regex_replace_check($search) 45 { 46 // null-byte injection detection 47 // anything behind the first null-byte is ignored 48 if (($pos = strpos($search, "\0")) !== false) { 49 $search = substr($search, 0, $pos); 50 } 51 // remove eval-modifier from $search 52 if (preg_match('!([a-zA-Z\s]+)$!s', $search, $match) && (strpos($match[1], 'e') !== false)) { 53 $search = substr($search, 0, - strlen($match[1])) . preg_replace('![e\s]+!', '', $match[1]); 54 } 55 56 return $search; 57 }