- /*
- private function _str_replace($str){
- #$this->search,$this->replace,
- $searchs = $this->search;
- foreach($searchs as $search){
- $search = "|".preg_quote($search)."(\|[a-zA-Z0-9_]*)*|";
- $m = array();
- if (preg_match_all($search, $str,$m)){
- foreach ($m[0] as $match){
- $toks = explode("|",$match);
- $val = $this->_get_var($toks[0]);
- for($k=1; $k<count($toks); $k++){
- $func = $toks[$k];
- if (function_exists($func)) $val = $func($val);
- }
- if (count($toks)>1){
- $str = str_replace( $match, $val, $str);
- }
- }
- }
+
+ private function var_replace($s){
+ $m = array();
+ /** regexp:
+ * \$ literal $
+ * (\[)? optional open square bracket
+ * ([a-zA-Z0-9-_]+\.?)+ var name, followed by optional
+ * dot, repeated at least 1 time
+ * (?(1)\]) if there was opened square bracket
+ * (subgrup 1), match close bracket
+ */
+ if (preg_match_all('/\$(\[)?([a-zA-Z0-9-_]+\.?)+(?(1)\])/', $s,$m)){