1--TEST--
2Test array_diff_key() function : usage variation - Passing multi-dimensional array
3--FILE--
4<?php
5echo "*** Testing array_diff_key() : usage variation ***\n";
6
7// Initialise function arguments not being substituted (if any)
8$array1 = array(
9
10      'first' => array('blue' => 1, 'red' => 2),
11
12      'second' => array('yellow' => 7),
13
14      'third' => array(0 => 'zero'),
15);
16
17$array2 = array (
18
19      'first' => array('blue' => 1, 'red' => 2,),
20
21      'second' => array('cyan' => 8),
22
23      'fourth' => array(2 => 'two'),
24);
25
26echo "\n-- Testing array_diff_key() function with multi dimensional array --\n";
27var_dump( array_diff_key($array1, $array2) );
28var_dump( array_diff_key($array2, $array1) );
29?>
30--EXPECT--
31*** Testing array_diff_key() : usage variation ***
32
33-- Testing array_diff_key() function with multi dimensional array --
34array(1) {
35  ["third"]=>
36  array(1) {
37    [0]=>
38    string(4) "zero"
39  }
40}
41array(1) {
42  ["fourth"]=>
43  array(1) {
44    [2]=>
45    string(3) "two"
46  }
47}
48