$e['show_participants'] = ($e['show_participants'] && (is_member() || may_update()));
$res = XDB::query(
"SELECT titre, details, montant, ei.item_id, nb, ep.paid
$e['show_participants'] = ($e['show_participants'] && (is_member() || may_update()));
$res = XDB::query(
"SELECT titre, details, montant, ei.item_id, nb, ep.paid