= 0) {
return $tense = "now";
} elseif ($difference > 0) {
$tense = "ago";
} else {
$tense = "later";
}
for ($j = 0; $difference >= $lengths[$j] && $j < count($lengths)-1; $j++) {
$difference /= $lengths[$j];
}
$difference = round($difference);
$period = $periods[$j] . ($difference >1 ? "s" :'');
return "{$difference} {$period} {$tense}";
}
?>