* Name: regex_replace
* Purpose: regular expression search/replace * * @link http://smarty.php.net/manual/en/language.modifier.regex.replace.php * regex_replace (Smarty online manual) * @author Monte Ohrt * @param string $string input string * @param string|array $search regular expression(s) to search for * @param string|array $replace string(s) that should be replaced * @return string */ function smarty_modifier_regex_replace($string, $search, $replace) { if(is_array($search)) { foreach($search as $idx => $s) { $search[$idx] = _smarty_regex_replace_check($s); } } else { $search = _smarty_regex_replace_check($search); } return preg_replace($search, $replace, $string); } /** * @param string $search string(s) that should be replaced * @return string * @ignore */ function _smarty_regex_replace_check($search) { // null-byte injection detection // anything behind the first null-byte is ignored if (($pos = strpos($search,"\0")) !== false) { $search = substr($search,0,$pos); } // remove eval-modifier from $search if (preg_match('!([a-zA-Z\s]+)$!s', $search, $match) && (strpos($match[1], 'e') !== false)) { $search = substr($search, 0, -strlen($match[1])) . preg_replace('![e\s]+!', '', $match[1]); } return $search; } ?>