<?php
try
{
        $bdd = new PDO('mysql:host=localhost;dbname=upload', 'upload', 'uploads');
}
catch(Exception $e)
{
        die('Erreur : '.$e->getMessage());
}
//$_GET['id'] = (int) $_GET['id'];
echo $_GET['id'];
$reponse = $bdd->prepare('SELECT * FROM liste WHERE id= ?');
$reponse->execute(array($_GET['id']));
//$reponse->execute(array("1"));
while ($donnees = $reponse->fetch())
{
        echo $donnees['nom_or'];
}

$reponse->closeCursor();

?>