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--TEST--
Test array_map() function : usage variations - with recursive callback
--FILE--
<?php
/* Prototype : array array_map ( callback $callback , array $arr1 [, array $... ] )
* Description: Applies the callback to the elements of the given arrays
* Source code: ext/standard/array.c
*/
/*
* Test array_map() by passing subarrays and recursive callback function
*/
echo "*** Testing array_map() : recursive callback function ***\n";
// callback function
function square_recur_single_array($var) {
if (is_array($var))
return array_map('square_recur_single_array', $var);
return $var * $var;
}
$array1 = array(1, array(2, 3, array(5)), array(4));
var_dump( array_map('square_recur_single_array', $array1));
echo "Done";
?>
--EXPECTF--
*** Testing array_map() : recursive callback function ***
array(3) {
[0]=>
int(1)
[1]=>
array(3) {
[0]=>
int(4)
[1]=>
int(9)
[2]=>
array(1) {
[0]=>
int(25)
}
}
[2]=>
array(1) {
[0]=>
int(16)
}
}
Done
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