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@ 2014-07-28T21:39:52Z

<?php 

$myArray = array(
    "a", 
    array(
        "a",
        "b",
        array(
            "a",
            "b",
            "c",
            array(
                "a",
                "b",
                "c",
                "d",
                array("the end")
                )
            )
        )
    );

function manipulate($val, $key)
{
	$val .= " appended";

    echo $val;
}

array_walk_recursive($myArray, 'manipulate', $myArray);

var_dump($myArray);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
array_walk_recursive: documentation ( source)

preferences:dark modelive preview

52.79 ms | 402 KiB | 5 Q