original_string: public function get($name)
      {
          if (isset($this->_handlers[$name])) {
             return $this->_handlers[$name];
          }
          $checker = $this->_classes['checker'];
          if ($checker::has($name)) {
             return $checker::get($name);
          }
          throw new InvalidArgumentException("Unexisting `{$name}` as validation handler.");
      }
code: public function get($name)
      {
          if (isset($this->_handlers[$name])) {
             return $this->_handlers[$name];
          }
          $checker = $this->_classes['checker'];
          if ($checker::has($name)) {
             return $checker::get($name);
          }
          throw new InvalidArgumentException("Unexisting `{$name}` as validation handler.");
      }
code_tokens: public function get ( $ name ) { if ( isset ( $ this -> _handlers [ $ name ] ) ) { return $ this -> _handlers [ $ name ] ; } $ checker = $ this -> _classes [ 'checker' ] ; if ( $ checker :: has ( $ name ) ) { return $ checker :: get ( $ name ) ; } throw new InvalidArgumentException ( "Unexisting `{$name}` as validation handler." ) ; }
docstring: Returns a validation handler.
  
  @param string $name A validation handler name.
docstring_tokens: Returns a validation handler .