Zend FR

final class Zend_Age {

    public static function howOldAreYou ($user = 'Phoenix17') 
    {
        date_default_timezone_set('Europe/Paris');
        setlocale(LC_ALL, 'fr_FR');
        $time = strtotime(date('1988-05-15 00:35:58'));
        $curr = strtotime(date('Y-m-d'));
        $diff = ($curr - $time);
        $mask = "Je suis né le %A %d %B %Y à %H h %M minutes et %S secondes," . PHP_EOL;
        $mask.= "Il y a " . number_format($diff, 0, ',', ' ') . " secondes, ou encore " 
               . round($diff / 86400, 2) . " jours..." . PHP_EOL;
        $mask.= "J'ai donc ". (date('Y') - strftime('%Y', $time)). ' ans !';
        return strftime($mask, $time);
    }
    
}

echo Zend_Age::howOldAreYou();