Online PHP editor | refs for 4Uv7j

@ 2014-02-28T11:43:23Z

<?php

function foo1(&$bar = 1) {}
function foo2(&$bar = true) {}
function foo3(&$bar = []) {}
function foo4(&$bar = null) {}

$bar2 = 'test';
foo1($bar1);
foo2($bar2);
foo3($bar3);
foo4($bar4);

var_dump($bar1, $bar2, $bar3, $bar4);