1--TEST--
2Test array_map() function : usage variations - anonymous callback function
3--FILE--
4<?php
5/*
6 * Test array_map() by passing anonymous callback function with following variations
7 */
8
9echo "*** Testing array_map() : anonymous callback function ***\n";
10
11$array1 = array(1, 2, 3);
12$array2 = array(3, 4, 5);
13
14echo "-- anonymous function with all parameters and body --\n";
15var_dump( array_map( function($a, $b) { return array($a, $b); }, $array1, $array2));
16
17echo "-- anonymous function with two parameters and passing one array --\n";
18try {
19    var_dump( array_map( function($a, $b) { return array($a, $b); }, $array1));
20} catch (Throwable $e) {
21    echo "Exception: " . $e->getMessage() . "\n";
22}
23
24echo "-- anonymous function with NULL parameter --\n";
25var_dump( array_map( function() { return NULL; }, $array1));
26
27echo "-- anonymous function with NULL body --\n";
28var_dump( array_map( function($a) { }, $array1));
29
30echo "-- passing NULL as 'array1' --\n";
31try {
32    var_dump( array_map( function($a) { return array($a); }, NULL));
33} catch (TypeError $e) {
34    echo $e->getMessage(), "\n";
35}
36
37echo "Done";
38?>
39--EXPECT--
40*** Testing array_map() : anonymous callback function ***
41-- anonymous function with all parameters and body --
42array(3) {
43  [0]=>
44  array(2) {
45    [0]=>
46    int(1)
47    [1]=>
48    int(3)
49  }
50  [1]=>
51  array(2) {
52    [0]=>
53    int(2)
54    [1]=>
55    int(4)
56  }
57  [2]=>
58  array(2) {
59    [0]=>
60    int(3)
61    [1]=>
62    int(5)
63  }
64}
65-- anonymous function with two parameters and passing one array --
66Exception: Too few arguments to function {closure}(), 1 passed and exactly 2 expected
67-- anonymous function with NULL parameter --
68array(3) {
69  [0]=>
70  NULL
71  [1]=>
72  NULL
73  [2]=>
74  NULL
75}
76-- anonymous function with NULL body --
77array(3) {
78  [0]=>
79  NULL
80  [1]=>
81  NULL
82  [2]=>
83  NULL
84}
85-- passing NULL as 'array1' --
86array_map(): Argument #2 ($array) must be of type array, null given
87Done
88