private function preserveTransparency($image)
    {
        $transparencyColor = array(0, 0, 0);

        switch ($this->type) {
            case \IMAGETYPE_GIF:
                $color = imagecolorallocate($image, $transparencyColor[0], $transparencyColor[1], $transparencyColor[2]);

                imagecolortransparent($image, $color);
                imagetruecolortopalette($image, false, 256);
            break;

            case \IMAGETYPE_PNG:
                imagealphablending($image, false);

                $color = imagecolorallocatealpha($image, $transparencyColor[0], $transparencyColor[1], $transparencyColor[2], 0);

                imagefill($image, 0, 0, $color);
                imagesavealpha($image, true);
            break;
        }
    }
private function preserveTransparency($image)
    {
        $transparencyColor = array(0, 0, 0);

        switch ($this->type) {
            case \IMAGETYPE_GIF:
                $color = imagecolorallocate($image, $transparencyColor[0], $transparencyColor[1], $transparencyColor[2]);

                imagecolortransparent($image, $color);
                imagetruecolortopalette($image, false, 256);
            break;

            case \IMAGETYPE_PNG:
                imagealphablending($image, false);

                $color = imagecolorallocatealpha($image, $transparencyColor[0], $transparencyColor[1], $transparencyColor[2], 0);

                imagefill($image, 0, 0, $color);
                imagesavealpha($image, true);
            break;
        }
    }
private function preserveTransparency ( $ image ) { $ transparencyColor = array ( 0 , 0 , 0 ) ; switch ( $ this -> type ) { case \ IMAGETYPE_GIF : $ color = imagecolorallocate ( $ image , $ transparencyColor [ 0 ] , $ transparencyColor [ 1 ] , $ transparencyColor [ 2 ] ) ; imagecolortransparent ( $ image , $ color ) ; imagetruecolortopalette ( $ image , false , 256 ) ; break ; case \ IMAGETYPE_PNG : imagealphablending ( $ image , false ) ; $ color = imagecolorallocatealpha ( $ image , $ transparencyColor [ 0 ] , $ transparencyColor [ 1 ] , $ transparencyColor [ 2 ] , 0 ) ; imagefill ( $ image , 0 , 0 , $ color ) ; imagesavealpha ( $ image , true ) ; break ; } }
We need this for GIFs and PNGs

@param resource $image
@return void
We need this for GIFs and PNGs