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@ 2014-04-10T06:01:00Z

<?php
$arr1 = array(1,2,3);
$arr2 = array(3,4,5);

function compareArrays($arr1, &$arr2) {
    foreach($arr1 as $k => $v) {
        if (!in_array($v, $arr2)) {
            $arr2[$k] = 0;
        }
    }
}

print_r(compareArrays($arr1, $arr2));

Output
Performance
VLD
References
Branches

print_r: documentation ( source)
in_array: documentation ( source)

preferences:dark modelive preview

46.02 ms | 402 KiB | 5 Q