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@ 2017-07-13T21:34:30Z

<?php

$myArray = array(
    'a',
    'b',
    'c',
);

array_walk_recursive(
    $myArray,
    function (&$value) {
        if($value == 'c'){
            $value = 'Booom';
        }
    }
);

var_dump($myArray);

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

44.59 ms | 402 KiB | 5 Q