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@ 2015-04-21T18:54:36Z

<?php

function test_one(&$arr) {
    $arr = array_reverse($arr);
}
function test_two(&$arr) {
    $arr =& array_reverse($arr);
}
$arr1 = array(1,2,3);
$arr2 = array(4,5,6);

test_one($arr1);
test_two($arr2);
print_r($arr1);
print_r($arr2);

Output
Performance
VLD
References
Branches

array_reverse: documentation ( source)
print_r: documentation ( source)

preferences:dark modelive preview

39.96 ms | 402 KiB | 5 Q