public function getID() {
		if (!isset($this->ID)) {
			$this->ID = md5($this->file.$this->line);
		}

		return $this->ID;
	}
public function getID() {
		if (!isset($this->ID)) {
			$this->ID = md5($this->file.$this->line);
		}

		return $this->ID;
	}
public function getID ( ) { if ( ! isset ( $ this -> ID ) ) { $ this -> ID = md5 ( $ this -> file . $ this -> line ) ; } return $ this -> ID ; }
Generate a hash from the file and line

@return string the id
Generate a hash from the file and line