How to test if a base64 string is a valid image in PHP?

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How to test if a base64 string is a valid image in PHP?

I tried the following code:

function convertAndSaveLogo($data, $id){
        if(isset($data->base64_image) && $data->base64_image){
            $imageData = base64_decode($data->base64_image);
            if($imageData){
                $source = imagecreatefromstring($imageData);
                if($source){
                    imagepng($source, getcwd()."../dir/image/".$id.".png", 5);
                    imagedestroy($source);
                }
            }
        }
    }

But it is not working.

asked 22 secs ago

Regina Flats

53

How to test if a base64 string is a valid image in PHP?