code: public function setCoordinates($x = false, $y = false)
      {
          if (($x === false) || ($y === false)) {
              $this->x = $this->y = false;
  
              return;
          }
          $this->x = (integer) $x;
          $this->y = (integer) $y;
      }
docs: Sets image coordinates. Set to false to clear them.
  
  @param int $x    Horizontal position.
  @param int $y    Vertical position.