public static function exist($db_name) { $tmp_req = Bdd::sql_get_global_bdd()->pdo(); // $tmp_req->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY, true); $tmp_req = $tmp_req->query("SELECT count(*) FROM {$db_name}"); $tmp_req = gettype($tmp_req); return !is_bool($tmp_req); }