CLASSE DATETIME AVEC TRADUCTION

<?php
class DateTime {
	
	var $dtime;
	var $lang;
	
	public function __toString() {
		$date = $this->format(constant("DATE_TIME_FORMAT"));
		return $date;
    }
	
	public function __construct($time = NOW,$lang='fr')
	{
		$this->lang = $lang;
		$this->dtime = $time;
		
		include(dirname(__FILE__)."/lang/".$lang.".php");
	}
	
	public static function createFromFormat($format, $datetime,$lang='fr')
	{
		$j = 0;
		$dtime["year"] = 0;
		$dtime["month"] = 0;
		$dtime["day"] = 0;
		$dtime["hour"] = 0;
		$dtime["minute"] = 0;
		$dtime["second"] = 0;
		
		for($i=0;$i<mb_strlen($format);$i++)
		{
			switch(mb_substr($format,$i,1))
			{
				case "Y":
					$dtime["year"] = mb_substr($datetime, $j, 4);
					$j = $j + 4;
				break;
				case "m":
					$dtime["month"] = mb_substr($datetime, $j, 2);
					$j = $j + 2;
				break;
				case "d":
					$dtime["day"] = mb_substr($datetime, $j, 2);
					$j = $j + 2;
				break;
				case "H":
					$dtime["hour"] = mb_substr($datetime, $j, 2);
					$j = $j + 2;
				break;
				case "i":
					$dtime["minute"] = mb_substr($datetime, $j, 2);
					$j = $j + 2;
				break;
				case "s":
					$dtime["second"] = mb_substr($datetime, $j, 2);
					$j = $j + 2;
				break;
				default:
					$j++;
				break;
			}
		}
		
		
		$time = mktime  ($dtime["hour"], $dtime["minute"], $dtime["second"], $dtime["month"], $dtime["day"], $dtime["year"]);
		
		return new self($time);
	}
	
	//Reçois les paramêtre de formatage de la fonction date()
	//Gère ceux devant être traduit, et retourne la date formater
	public function format($format)
	{
		$date =  "";

		for($i=0;$i<mb_strlen($format);$i++)
		{
			switch(mb_substr($format,$i,1))
			{
				// jour de la semaine, 3 première lettre
				case "D":
					$var = date("N", $this->dtime);
					$date .= mb_substr(constant("WEEK_$var"),0,3);
				break;
				//jour de la semaine
				case "l":
					$var = date("N", $this->dtime);
					$date .= constant("WEEK_$var");
				break;
				//Suffixe ordinal d'un nombre pour le jour du mois, en anglais, sur deux lettres
				case "S":
					$var = date("S", $this->dtime);
					$date .= constant("SUFFIXE_$var");
				break;
				//Nom du mois
				case "F":
					$var = date("n", $this->dtime);
					$date .= constant("MONTH_$var");
				break;
				//Nom du mois, 3 première lettre
				case "M":
					$var = date("n", $this->dtime);
					$date .= mb_substr(constant("MONTH_$var"),0,3);
				break;
				//Le prochain caratère va être ignoré
				case "\\":
					$i++;
					$date .= mb_substr($format,$i,1);
				break;
				// Caratère ignoré, et remis dans la chaine
				case ",":
					$date .= mb_substr($format,$i,1);
				break;
				// Caratère ignoré, et remis dans la chaine
				case ":":
					$date .= mb_substr($format,$i,1);
				break;
				default:
					$date .= date(mb_substr($format,$i,1), $this->dtime);

			}
		}

		return $date;
	}
	
}
?>