Warning: Undefined array key "id_produit" in /htdocs/avis_produit.php on line 48

Fatal error: Uncaught mysqli_sql_exception: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 1 in /htdocs/avis_produit.php:49 Stack trace: #0 /htdocs/avis_produit.php(49): mysqli_query(Object(mysqli), 'SELECT * FROM p...') #1 {main} thrown in /htdocs/avis_produit.php on line 49