Save base64 encoded files

function

/**
 * @param $fileString
 * @param $location
 * @param $filename
 * @return array
 */
function saveFile($fileString, $location, $filename) {
    $result     = [];
    $split      = explode(';', $fileString);

    if (count($split)) {
        $hash = explode(',', $split[1]);

        if(count($hash)) {
            $filename2 = date('YmdHis').'_'.$filename;

            file_put_contents($location.'/'.$filename2, base64_decode($hash[1]));

            $result = [
                'filename' => $filename,
                'uploaded' => $filename2
            ];
        }
    }

    return $result;
}