function shutdown($newfile,$back_file)
{
        if(file_exists("../Content/8/$newfile")){
            unlink("../Content/8/$newfile");
        }
        if(file_exists("../Content/8/$back_file")){
            unlink("../Content/8/$back_file");
        }
    echo "Script executed with success $back_file", PHP_EOL;
}

register_shutdown_function('shutdown');