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@ 2013-12-13T14:15:03Z

<?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>';
    }
}

var_dump($arr);
?>

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
print_r: documentation ( source)

preferences:dark modelive preview

39.27 ms | 402 KiB | 5 Q