implode_oxford.php https://twitter.com/webchick/status/562719205599244288

implode_oxford.php

<?php

function implode_oxford(array $pieces)
{
    $pieces = array_values($pieces);

    switch (count($pieces)) {
        case 0:
            return '';

        case 1:
            return $pieces[0];

        case 2:
            return $pieces[0].' and '.$pieces[1];

        default:
            $pieces[count($pieces) - 1] = 'and '.$pieces[count($pieces) - 1];

            return implode(', ', $pieces);
    }
}

Yeah, yours is cuter ;)