Modifier les dates de tp
prepare('SELECT dateDebut,dateFin FROM dateTp WHERE numTp=?');
$reponseQuery->bindParam(1,$_GET['tp']);
$reponseResult = $reponseQuery->execute();
$reponseRow = $reponseResult->fetchArray();
$anneeDebut = substr($reponseRow['dateDebut'],0,4) ;
$moisDebut=substr($reponseRow['dateDebut'],4,2);
$jourDebut=substr($reponseRow['dateDebut'],6,2);
$dateDebut= $anneeDebut.'-'.$moisDebut.'-'.$jourDebut;
$anneeFin=substr($reponseRow['dateFin'],0,4);
$moisFin=substr($reponseRow['dateFin'],4,2);
$jourFin=substr($reponseRow['dateFin'],6,2);
$dateFin= $anneeFin.'-'.$moisFin.'-'.$jourFin;
?>