--TEST--
Test array_walk() function : basic functionality - regular array
--FILE--
<?php
/* Prototype : bool array_walk(array $input, string $funcname [, mixed $userdata])
* Description: Apply a user function to every member of an array
* Source code: ext/standard/array.c
*/
echo "*** Testing array_walk() : basic functionality ***\n";
// regular array
$fruits = array("lemon", "orange", "banana", "apple");
/* Prototype : test_print(mixed $item, mixed $key)
* Parameters : item - item in key/item pair
* key - key in key/item pair
* Description : prints the array values with keys
*/
function test_print($item, $key)
{
// dump the arguments to check that they are passed
// with proper type
var_dump($item); // value
var_dump($key); // key
echo "\n"; // new line to separate the output between each element
}
function with_userdata($item, $key, $user_data)
{
// dump the arguments to check that they are passed
// with proper type
var_dump($item); // value
var_dump($key); // key
var_dump($user_data); // user supplied data
echo "\n"; // new line to separate the output between each element
}
echo "-- Using array_walk() with default parameters to show array contents --\n";
var_dump( array_walk($fruits, 'test_print'));
echo "-- Using array_walk() with all parameters --\n";
var_dump( array_walk($fruits, 'with_userdata', "Added"));
echo "Done";
?>
--EXPECT--
*** Testing array_walk() : basic functionality ***
-- Using array_walk() with default parameters to show array contents --
string(5) "lemon"
int(0)
string(6) "orange"
int(1)
string(6) "banana"
int(2)
string(5) "apple"
int(3)
bool(true)
-- Using array_walk() with all parameters --
string(5) "lemon"
int(0)
string(5) "Added"
string(6) "orange"
int(1)
string(5) "Added"
string(6) "banana"
int(2)
string(5) "Added"
string(5) "apple"
int(3)
string(5) "Added"
bool(true)
Done
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