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@ 2014-07-28T21:41:45Z

<?php 

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

function manipulate(&$val)
{
    $val .= " appended";
}

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

13.77 ms | 405 KiB | 5 Q