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@ 2014-10-16T03:29:41Z

<?php
$nu_array = null;
$callback = function ( $item ) use(&$nu_array) {
    $nu_array[] = $item;
};
$array = array('a',array(1,2,3),'b',array('c',4,5,array(6,7,array(8))));
array_walk_recursive($array, $callback);
print_r($nu_array);
/**
Array
(
    [0] => apple
    [1] => sky
    [2] => juice
)
**/

Output
Performance
VLD
References
Branches

print_r: documentation ( source)
array_walk_recursive: documentation ( source)

preferences:dark modelive preview

28.53 ms | 404 KiB | 5 Q