Merge duplicate identical conditions in PDO (#7638)

Author: 7snovic

ext/pdo/pdo_stmt.c

@@ -1377,9 +1377,9 @@ PHP_METHOD(PDOStatement, fetchAll)
 	}
 
 	if (!error) {
-		if ((how & PDO_FETCH_GROUP)) {
-			while (do_fetch(stmt, &data, how | flags, PDO_FETCH_ORI_NEXT, /* offset */ 0, return_all));
-		} else if (how == PDO_FETCH_KEY_PAIR || (how == PDO_FETCH_USE_DEFAULT && stmt->default_fetch_type == PDO_FETCH_KEY_PAIR)) {
+		if ((how & PDO_FETCH_GROUP) || how == PDO_FETCH_KEY_PAIR ||
+			(how == PDO_FETCH_USE_DEFAULT && stmt->default_fetch_type == PDO_FETCH_KEY_PAIR)
+		) {
 			while (do_fetch(stmt, &data, how | flags, PDO_FETCH_ORI_NEXT, /* offset */ 0, return_all));
 		} else {
 			array_init(return_value);