Online PHP editor | refs for skast

@ 2015-12-27T05:45:42Z

<?php

function setByLink( &$tree, &$dst ) {
    $dst = &$tree[0];
    $tree[] = 'Hi';
}

$tree = [
    [
        1,
        2
    ],
    3
];

setByLink( $tree, $arr );
$arr[] = 'Hello';
var_dump( $tree );