--TEST--
Test array_walk_recursive() function : usage variations - 'input' array with subarray
--FILE--
<?php
/* Prototype : bool array_walk_recursive(array $input, string $funcname [, mixed $userdata])
* Description: Apply a user function to every member of an array
* Source code: ext/standard/array.c
*/
/*
* Testing array_walk_recursive() with an array having subarrays as elements
*/
echo "*** Testing array_walk_recursive() : array with subarray ***\n";
// callback function
/* Prototype : callback(mixed $value, mixed $key)
* Parameters : $value - values in given 'input' array
* $key - keys in given 'input' array
* Description : It prints the count of an array elements, passed as argument
*/
function callback($value, $key)
{
// dump the arguments to check that they are passed
// with proper type
var_dump($key); // key
var_dump($value); // value
echo "\n"; // new line to separate the output between each element
}
$input = array(
array(),
array(1),
array(1,2,3),
array("Mango", "Orange"),
array(array(1, 2, 3), array(1))
);
var_dump( array_walk_recursive( $input, "callback"));
echo "Done"
?>
--EXPECTF--
*** Testing array_walk_recursive() : array with subarray ***
int(0)
int(1)
int(0)
int(1)
int(1)
int(2)
int(2)
int(3)
int(0)
string(5) "Mango"
int(1)
string(6) "Orange"
int(0)
int(1)
int(1)
int(2)
int(2)
int(3)
int(0)
int(1)
bool(true)
Done
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