convert seconds to human timing

seconds_to_human.php

<?php
function humanTiming($time)
{
    $tokens = array (
        86400 => 'giorno/i',
        3600 => 'ore',
        60 => 'minuti',
        1 => 'secondi'
    );
    $string = "";
    foreach ($tokens as $unit => $text) {
        // if ($time < $unit) continue;
        $numberOfUnits = floor($time / $unit);
        $time = $time - $unit*$numberOfUnits;
        $string .= $numberOfUnits.' '.$text.' ';
    }
    return $string;
}