array_walk_recursive

PHP 5, PHP 7, PHP 8
array_walk_recursive - Apply a user function recursively to every member of an array
Manual
Code Examples

Example #1 array_walk_recursive example

Result: a holds apple b holds banana sour holds lemon
<?php
$sweet = array('a' => 'apple', 'b' => 'banana');
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Function array_walk_recursive:

Arrays Functions

Most used PHP functions