1--TEST--
2Test array_map() function : usage variations - failing built-in functions & language constructs
3--FILE--
4<?php
5/* Prototype  : array array_map  ( callback $callback  , array $arr1  [, array $...  ] )
6 * Description: Applies the callback to the elements of the given arrays
7 * Source code: ext/standard/array.c
8 */
9
10/*
11 * Test array_map() by passing non-permmited built-in functions and language constructs i.e.
12 *   echo(), array(), empty(), eval(), exit(), isset(), list(), print()
13 */
14
15echo "*** Testing array_map() : non-permmited built-in functions ***\n";
16
17// array to be passed as arguments
18$arr1 = array(1, 2);
19
20// built-in functions & language constructs
21$callback_names = array(
22/*1*/  'echo',
23       'array',
24       'empty',
25/*4*/  'eval',
26       'exit',
27       'isset',
28       'list',
29/*8*/  'print'
30);
31for($count = 0; $count < count($callback_names); $count++)
32{
33  echo "-- Iteration ".($count + 1)." --\n";
34  var_dump( array_map($callback_names[$count], $arr1) );
35}
36
37echo "Done";
38?>
39--EXPECTF--
40*** Testing array_map() : non-permmited built-in functions ***
41-- Iteration 1 --
42
43Warning: array_map() expects parameter 1 to be a valid callback, function 'echo' not found or invalid function name in %s on line %d
44NULL
45-- Iteration 2 --
46
47Warning: array_map() expects parameter 1 to be a valid callback, function 'array' not found or invalid function name in %s on line %d
48NULL
49-- Iteration 3 --
50
51Warning: array_map() expects parameter 1 to be a valid callback, function 'empty' not found or invalid function name in %s on line %d
52NULL
53-- Iteration 4 --
54
55Warning: array_map() expects parameter 1 to be a valid callback, function 'eval' not found or invalid function name in %s on line %d
56NULL
57-- Iteration 5 --
58
59Warning: array_map() expects parameter 1 to be a valid callback, function 'exit' not found or invalid function name in %s on line %d
60NULL
61-- Iteration 6 --
62
63Warning: array_map() expects parameter 1 to be a valid callback, function 'isset' not found or invalid function name in %s on line %d
64NULL
65-- Iteration 7 --
66
67Warning: array_map() expects parameter 1 to be a valid callback, function 'list' not found or invalid function name in %s on line %d
68NULL
69-- Iteration 8 --
70
71Warning: array_map() expects parameter 1 to be a valid callback, function 'print' not found or invalid function name in %s on line %d
72NULL
73Done
74