1--TEST--
2Test array_key_exists() function : usage variations - referenced variables
3--FILE--
4<?php
5/* Prototype  : bool array_key_exists(mixed $key, array $search)
6 * Description: Checks if the given key or index exists in the array
7 * Source code: ext/standard/array.c
8 * Alias to functions: key_exists
9 */
10
11/*
12 * Pass referenced variables as arguments to array_key_exists() to test behaviour
13 */
14
15echo "*** Testing array_key_exists() : usage variations ***\n";
16
17$array = array('one' => 1, 'two' => 2, 'three' => 3);
18
19echo "\n-- \$search is a reference to \$array --\n";
20$search = &$array;
21var_dump(array_key_exists('one', $search));
22
23echo "Done";
24?>
25
26--EXPECTF--
27*** Testing array_key_exists() : usage variations ***
28
29-- $search is a reference to $array --
30bool(true)
31Done
32