public function remove($key) {
        $this->_data = Hash::remove($this->_data, $key);

        return $this;
    }
public function remove($key) {
        $this->_data = Hash::remove($this->_data, $key);

        return $this;
    }
public function remove ( $ key ) { $ this -> _data = Hash :: remove ( $ this -> _data , $ key ) ; return $ this ; }
Remove a parameter by key.

@uses Titon\Utility\Hash

@param string $key
@return $this
Remove a parameter by key .