


How to Fix 'Invalid Image' Errors When Converting Base64 Strings to Image Files?
Dec 15, 2024 am 07:11 AMConverting a Base64 String to an Image File: Resolving Invalid Image Errors
When attempting to convert a Base64 string to an image file, you may encounter issues resulting in an invalid image. This error stems from the presence of additional data within the encoded contents, specifically "data:image/png;base64," which must be removed prior to decoding.
To resolve this issue, remove "data:image/png;base64," from the Base64 string before decoding it:
function base64_to_jpeg($base64_string, $output_file) { // open the output file for writing $ifp = fopen($output_file, 'wb'); // split the string on commas $data = explode(',', $base64_string); // we could add validation here with ensuring count( $data ) > 1 fwrite($ifp, base64_decode($data[1])); // clean up the file resource fclose($ifp); return $output_file; }
This updated function ensures that only the pure Base64 encoded image data is decoded, allowing for the successful conversion of the string to an image file.
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