Online PHP editor | refs for JPISa

@ 2013-12-13T13:59:17Z

<?php
$foo = 'Hello world';
$arr = array(2, 4, 8);
doFoo($arr);
echo '<pre>';
print_r($arr);
echo '<pre>'; 
echo $foo;

function doFoo($array)
{
    foreach ($array as &$foo) {
        $foo += 1;
        echo '<pre>' . $foo . '</pre>';
    }
}