le code de la page addCom.php :
<?php
try{
$bdd= new PDO('mysql:host=localhost;dbname=test;charset=utf8','root','root');
$bdd->setAttribute(PDO::ATTR_ERRMODE,PDO::ERRMODE_EXCEPTION);
}
catch(Exception $e){
die('Erreur connexion a la base de donnée'.$e->getMessage());
}
session_start();
$id_user = $_SESSION['id'];
$id_billet = $_GET['billet'];
$req=$bdd->prepare('INSERT INTO commentaires(commentaire,id_billet,id_user,date_com)
VALUES (?,?,?,NOW())');
$req->execute(array($_POST['comPost'],$id_billet,$id_user));
header('location:blog.php?billet='.$id_billet);
?>