Convert JPEG to GIF

[fritz85]

$res = copy($userfile, $path . $userfile_name);
$img = LoadJpeg($path . $userfile_name);
header("Content-type: image/gif");
imagegif($img, $path . $userfile_name);

function LoadJpeg($imgname)
{
    $im = @imagecreatefromjpeg($imgname); /* Attempt to open */
    if (!$im)
 {             /* See if it failed */
        $im  = imagecreatetruecolor(80, 120); /* Create a black image */
        $bgc = imagecolorallocate($im, 255, 255, 255);
        $tc  = imagecolorallocate($im, 0, 0, 0);
        imagefilledrectangle($im, 0, 0, 150, 30, $bgc);
        /* Output an errmsg */
        imagestring($im, 1, 5, 5, "Error loading $imgname", $tc);
    }
    return $im;
}