GD LIB how to convert every uploaded images successfully into jpg type?

Question

please help me out with my current function to make it convert any other image types successfully into a proper jpg image type.

here is my function

    function resize_image($oldimage_name, $new_image_name){
    list($owidth,$oheight) = getimagesize($oldimage_name);
    $width = 250; $height = 250;    
    $im = imagecreatetruecolor($width, $height);
    $img_src = imagecreatefromjpeg($oldimage_name);
    imagealphablending($img_src, false);
    imagesavelalpha($img_src, true);
    imagecopyresampled($im, $img_src, 0, 0, 0, 0, $width, $height, $owidth, $oheight);
    imagejpeg($im, $new_image_name, 90);
    imagedestroy($im);
    unlink($oldimage_name);
    return true;
}

Thanking you for your time and help in advance

Answer 1

If it is not jpg you will fail. Use imagecreatefromstring() instead. This can guess the real format.

Replace the code like this

$img_src = imagecreatefromstring(file_get_contents($oldimage_name));