1--TEST--
2Test get_declared_interfaces() function : basic functionality
3--FILE--
4<?php
5echo "*** Testing get_declared_interfaces() : basic functionality ***\n";
6
7// Zero arguments
8echo "\n-- Testing get_declared_interfaces() function with Zero arguments --\n";
9var_dump(get_declared_interfaces());
10
11foreach (get_declared_interfaces() as $interface) {
12    if (!interface_exists($interface)) {
13        echo "Error: $interface is not a valid interface.\n";
14    }
15}
16
17echo "\n-- Ensure userspace classes are not listed --\n";
18Class C {}
19var_dump(in_array('C', get_declared_interfaces()));
20
21echo "\n-- Ensure userspace interfaces are listed --\n";
22Interface I {}
23var_dump(in_array('I', get_declared_interfaces()));
24
25echo "Done";
26?>
27--EXPECTF--
28*** Testing get_declared_interfaces() : basic functionality ***
29
30-- Testing get_declared_interfaces() function with Zero arguments --
31array(%d) {
32%a
33}
34
35-- Ensure userspace classes are not listed --
36bool(false)
37
38-- Ensure userspace interfaces are listed --
39bool(true)
40Done
41