Online PHP editor | refs for DLCN2

@ 2017-07-28T05:25:30Z

<?php

function by_ref (&$ref) {
    $ref = 42;
}

function by_handle ($handle) {
    $handle = 42;
}

$thing1 = new class {};
$thing2 = new class {};

by_ref($thing1);
by_handle($thing2);

var_dump($thing1, $thing2);