Exemplo n.º 1
0
 protected function filter()
 {
     while (parent::valid() && !call_user_func($this->callback, parent::current(), parent::key())) {
         parent::next();
     }
 }
Exemplo n.º 2
0
 public function current()
 {
     return call_user_func($this->callback, parent::current(), parent::key());
 }