public function UnsetInput(){
		unset($this->input, $this->pos, $this->input_len, $this->furthest);
		$this->saveStack = array();
	}
public function UnsetInput(){
		unset($this->input, $this->pos, $this->input_len, $this->furthest);
		$this->saveStack = array();
	}
public function UnsetInput ( ) { unset ( $ this -> input , $ this -> pos , $ this -> input_len , $ this -> furthest ) ; $ this -> saveStack = array ( ) ; }
Free up some memory
Free up some memory