Add new test

ext/standard/tests/serialize/bug26762.phpt

@@ -0,0 +1,27 @@
+--TEST--
+Bug #26762 (unserialize() produces lowercase classnames)
+--SKIPIF--
+<?php 
+	if (version_compare(zend_version(), '2.0.0-dev', '<')) die('skip ZendEngine 2 needed'); 
+	if (class_exists('autoload_root')) die('skip Autoload test classes exist already');
+?>
+--FILE--
+<?php 
+
+ini_set('unserialize_callback_func','check');
+
+function check($name) {
+	var_dump($name);
+	throw new exception;
+}
+
+try {
+	@unserialize('O:3:"FOO":0:{}');
+}
+catch (Exception $e) {
+	/* ignore */
+}
+
+?>
+--EXPECTF--
+string(3) "FOO"