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|
--TEST--
Test array_map() function : usage variations - anonymous callback function
--FILE--
<?php
/*
* Test array_map() by passing anonymous callback function with following variations
*/
echo "*** Testing array_map() : anonymous callback function ***\n";
$array1 = array(1, 2, 3);
$array2 = array(3, 4, 5);
echo "-- anonymous function with all parameters and body --\n";
var_dump( array_map( function($a, $b) { return array($a, $b); }, $array1, $array2));
echo "-- anonymous function with two parameters and passing one array --\n";
try {
var_dump( array_map( function($a, $b) { return array($a, $b); }, $array1));
} catch (Throwable $e) {
echo "Exception: " . $e->getMessage() . "\n";
}
echo "-- anonymous function with NULL parameter --\n";
var_dump( array_map( function() { return NULL; }, $array1));
echo "-- anonymous function with NULL body --\n";
var_dump( array_map( function($a) { }, $array1));
echo "-- passing NULL as 'array1' --\n";
try {
var_dump( array_map( function($a) { return array($a); }, NULL));
} catch (TypeError $e) {
echo $e->getMessage(), "\n";
}
echo "Done";
?>
--EXPECTF--
*** Testing array_map() : anonymous callback function ***
-- anonymous function with all parameters and body --
array(3) {
[0]=>
array(2) {
[0]=>
int(1)
[1]=>
int(3)
}
[1]=>
array(2) {
[0]=>
int(2)
[1]=>
int(4)
}
[2]=>
array(2) {
[0]=>
int(3)
[1]=>
int(5)
}
}
-- anonymous function with two parameters and passing one array --
Exception: Too few arguments to function {closure:%s:%d}(), 1 passed and exactly 2 expected
-- anonymous function with NULL parameter --
array(3) {
[0]=>
NULL
[1]=>
NULL
[2]=>
NULL
}
-- anonymous function with NULL body --
array(3) {
[0]=>
NULL
[1]=>
NULL
[2]=>
NULL
}
-- passing NULL as 'array1' --
array_map(): Argument #2 ($array) must be of type array, null given
Done
|
