diff --git a/ext/mysqli/tests/056.phpt b/ext/mysqli/tests/056.phpt
new file mode 100644
index 00000000000..cee7df1e5fb
--- /dev/null
+++ b/ext/mysqli/tests/056.phpt
@@ -0,0 +1,19 @@
+--TEST--
+extend mysqli 
+--FILE--
+<?php
+	include "connect.inc";
+
+	class foobar extends mysqli {
+		function test () {
+			return ("I like MySQL 4.1");
+		}
+	}
+
+	$foo = new foobar();
+	$foo->connect("localhost", $user, $passwd);
+	$foo->close();
+	printf("%s\n", $foo->test());
+?>
+--EXPECT--
+I like MySQL 4.1