What alternative function can be used if imagegif() is undefined?

If the imagegif() function is undefined, an alternative function that can be used is imagepng(). This function allows you to create a PNG image instead of a GIF image. To solve the issue, you can simply replace imagegif() with imagepng() in your code. 

// Check if imagegif() is defined
if(!function_exists('imagegif')) {
    // Use imagepng() instead
    imagepng($image, 'output.png');
} else {
    // Use imagegif() if available
    imagegif($image, 'output.gif');
}

Keywords

imagecreatefromgif imagepng imagejpeg GD library PHP function

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