1--TEST--
2default argument value in and in implementing class with interface in included file
3--FILE--
4<?php
5include 'interface_optional_arg_003.inc';
6
7class C implements I {
8  function f($a = 2) {
9  	var_dump($a);
10  }
11}
12
13$c = new C;
14$c->f();
15?>
16--EXPECTF--
17int(2)
18