array_map_variation14.phpt [plain text]
--TEST--
Test array_map() function : usage variations - null value for 'callback' argument
--FILE--
<?php
echo "*** Testing array_map() : null value for 'callback' argument ***\n";
$arr1 = array(1, 2);
$arr2 = array("one", "two");
$arr3 = array(1.1, 2.2);
$unset_var = 10;
unset ($unset_var);
echo "-- with null --\n";
var_dump( array_map(null, $arr1, $arr2, $arr3) );
var_dump( array_map(NULL, $arr1, $arr2, $arr3) );
echo "-- with unset variable --\n";
var_dump( array_map(@$unset_var, $arr1, $arr2, $arr3) );
echo "-- with undefined variable --\n";
var_dump( array_map(@$undefined_var, $arr1) );
echo "-- with empty string --\n";
var_dump( array_map("", $arr1, $arr2) );
echo "-- with empty array --\n";
var_dump( array_map(array(), $arr1, $arr2) );
echo "Done";
?>
--EXPECTF--
*** Testing array_map() : null value for 'callback' argument ***
-- with null --
array(2) {
[0]=>
array(3) {
[0]=>
int(1)
[1]=>
string(3) "one"
[2]=>
float(1.1)
}
[1]=>
array(3) {
[0]=>
int(2)
[1]=>
string(3) "two"
[2]=>
float(2.2)
}
}
array(2) {
[0]=>
array(3) {
[0]=>
int(1)
[1]=>
string(3) "one"
[2]=>
float(1.1)
}
[1]=>
array(3) {
[0]=>
int(2)
[1]=>
string(3) "two"
[2]=>
float(2.2)
}
}
-- with unset variable --
array(2) {
[0]=>
array(3) {
[0]=>
int(1)
[1]=>
string(3) "one"
[2]=>
float(1.1)
}
[1]=>
array(3) {
[0]=>
int(2)
[1]=>
string(3) "two"
[2]=>
float(2.2)
}
}
-- with undefined variable --
array(2) {
[0]=>
int(1)
[1]=>
int(2)
}
-- with empty string --
Warning: array_map() expects parameter 1 to be a valid callback, function '' not found or invalid function name in %s on line %d
NULL
-- with empty array --
Warning: array_map() expects parameter 1 to be a valid callback, array must have exactly two members in %s on line %d
NULL
Done