mirror of
https://github.com/php/php-src.git
synced 2024-09-24 03:17:26 +00:00
108 lines
2.0 KiB
PHP
108 lines
2.0 KiB
PHP
--TEST--
|
|
Test array_map() function : usage variations - callback function with different return types
|
|
--FILE--
|
|
<?php
|
|
/* Prototype : array array_map ( callback $callback , array $arr1 [, array $... ] )
|
|
* Description: Applies the callback to the elements of the given arrays
|
|
* Source code: ext/standard/array.c
|
|
*/
|
|
|
|
/*
|
|
* Test array_map() by passing different callback function returning:
|
|
* int, string, bool, null values
|
|
*/
|
|
|
|
echo "*** Testing array_map() : callback with diff return value ***\n";
|
|
|
|
$array1 = array(1, 2, 3);
|
|
$array2 = array(3, 4, 5);
|
|
|
|
echo "-- with integer return value --\n";
|
|
function callback_int($a, $b)
|
|
{
|
|
return $a + $b;
|
|
}
|
|
var_dump( array_map('callback_int', $array1, $array2));
|
|
|
|
echo "-- with string return value --\n";
|
|
function callback_string($a, $b)
|
|
{
|
|
return "$a"."$b";
|
|
}
|
|
var_dump( array_map('callback_string', $array1, $array2));
|
|
|
|
echo "-- with bool return value --\n";
|
|
function callback_bool($a, $b)
|
|
{
|
|
return TRUE;
|
|
}
|
|
var_dump( array_map('callback_bool', $array1, $array2));
|
|
|
|
echo "-- with null return value --\n";
|
|
function callback_null($array1)
|
|
{
|
|
return NULL;
|
|
}
|
|
var_dump( array_map('callback_null', $array1));
|
|
|
|
echo "-- with no return value --\n";
|
|
function callback_without_ret($arr1)
|
|
{
|
|
echo "callback_without_ret called\n";
|
|
}
|
|
var_dump( array_map('callback_without_ret', $array1));
|
|
|
|
echo "Done";
|
|
?>
|
|
--EXPECTF--
|
|
*** Testing array_map() : callback with diff return value ***
|
|
-- with integer return value --
|
|
array(3) {
|
|
[0]=>
|
|
int(4)
|
|
[1]=>
|
|
int(6)
|
|
[2]=>
|
|
int(8)
|
|
}
|
|
-- with string return value --
|
|
array(3) {
|
|
[0]=>
|
|
string(2) "13"
|
|
[1]=>
|
|
string(2) "24"
|
|
[2]=>
|
|
string(2) "35"
|
|
}
|
|
-- with bool return value --
|
|
array(3) {
|
|
[0]=>
|
|
bool(true)
|
|
[1]=>
|
|
bool(true)
|
|
[2]=>
|
|
bool(true)
|
|
}
|
|
-- with null return value --
|
|
array(3) {
|
|
[0]=>
|
|
NULL
|
|
[1]=>
|
|
NULL
|
|
[2]=>
|
|
NULL
|
|
}
|
|
-- with no return value --
|
|
callback_without_ret called
|
|
callback_without_ret called
|
|
callback_without_ret called
|
|
array(3) {
|
|
[0]=>
|
|
NULL
|
|
[1]=>
|
|
NULL
|
|
[2]=>
|
|
NULL
|
|
}
|
|
Done
|