Auto Create File & Folder

<?php
// By Eggy - IndoSec
    $a = 0;
    while ($a < 10) {
        for ($b=0; $b < 9999999999; $b++) {
            // Nama Folder
            mkdir('Folder'.$b);
            // Nama File
            $c = fopen('File'.$b, 'a');
            // Isi file
            $data = "

            Isi file disini

            ";
            fwrite($c, $data);
            fclose($c);
            echo "SUKSES<br>";
        }
            }
$a++

 ?>