Erreur SQL !
SELECT * FROM `participant` WHERE `id_circuit` IN () AND `participation` = 'oui' AND `id_categorie` IN (8,9)
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') AND `participation` = 'oui' AND `id_categorie` IN (8,9)' at line 1