public function serialize()
    {
        $data = [
            $this->gdImageData,
            $this->pts,
            $this->width,
            $this->height,
        ];

        return serialize($data);
    }
public function serialize()
    {
        $data = [
            $this->gdImageData,
            $this->pts,
            $this->width,
            $this->height,
        ];

        return serialize($data);
    }
public function serialize ( ) { $ data = [ $ this -> gdImageData , $ this -> pts , $ this -> width , $ this -> height , ] ; return serialize ( $ data ) ; }
Return string representation of a Frame.

@return string The string representation of the object or null.
Return string representation of a Frame .