function validerCommande($cnn, $idCommande)
{
$mntCommande = sumMntCommande($cnn, $idCommande);
$req = " \n UPDATE `commande` \n SET `STATUT_COMMANDE`= 'En cours'\n , MONTANT_COMMANDE=:mntCommande\n WHERE ID_COMMANDE=:idCommande";
$stmt = $cnn->prepare($req);
$stmt->bindParam(':idCommande', $idCommande);
$stmt->bindParam(':mntCommande', $mntCommande);
$stmt->execute();
}
<section id="content">
<div class="container_12">
<div class="grid_12">
<div class="box-shadow">
<div class="wrap block-2">
<div class="col-4">
<h2 class="p3"><span class="color-1">Paiement</span></h2>
<div class="wrap box-1 top-4">
<div class="extra-wrap">
<p>Montant total à payer:
<?php
$idCommande = recupIdPanier($connexion, $_SESSION['idUtilisateur']);
echo sumMntCommande($connexion, $idCommande);
?>
€
</p>
</div>
</div>
<?php
$idCommande = recupIdPanier($connexion, $_SESSION['idUtilisateur']);
echo '<div class="btns"><a href="validation_commande.php?idCommande=' . $idCommande . '" class="button" >Valider la commande</a></div>';
?>
</div>
</div>
</div>
