public function semaine($annee, $semaine)
{
$date_format = new date();
$lundi = new DateTime();
$lundi->setISODate($annee, $semaine);
$dimanche = new DateTime();
$dimanche->setISODate($annee, $semaine);
date_modify($dimanche, '+4 days');
$format_lundi = $lundi->format("d-m-y");
$format_dimanche = $dimanche->format("d-m-y");
$strt_lundi = $date_format->format_strt($format_lundi);
$strt_dimanche = $date_format->format_strt($format_dimanche);
$day_lundi = $lundi->format("d");
$day_dimanche = $dimanche->format("d");
$mois_lundi = $date_format->formatage_sequenciel("m", $strt_lundi);
$mois_dimanche = $date_format->formatage_sequenciel("m", $strt_dimanche);
$format = "Du " . $day_lundi . " " . $mois_lundi . " au " . $day_dimanche . " " . $mois_dimanche . " " . date("Y");
return $format;
}
