4129     public function offsetExists($offset) {  argument
4130         return $this->find($offset)->size() > 0;
4135     public function offsetGet($offset) {  argument
4136         return $this->find($offset);
4141     public function offsetSet($offset, $value) {  argument
4143         $this->find($offset)->html($value);
4148     public function offsetUnset($offset) {  argument
4343     function mb_strpos($haystack, $needle, $offset=0)  argument
4345         return strpos($haystack, $needle, $offset);
4355     function mb_stripos($haystack, $needle, $offset=0)  argument
4357         return stripos($haystack, $needle, $offset);