Handle properly situation when PDO class doesn't exist

Aleksander Machniak

2012-07-06 e6e5cb12f5aa93677fe8a373c56bd212a60a82ae

 program/include/rcube_db.php

@@ -137,6 +137,11 @@

        // Connect
        try {
            // with this check we skip fatal error on PDO object creation
            if (!class_exists('PDO', false)) {
                throw new Exception('PDO extension not loaded. See http://php.net/manual/en/intro.pdo.php');
            }

            $this->conn_prepare($dsn);

            $dbh = new PDO($dsn_string, $dsn['username'], $dsn['password'], $dsn_options);
@@ -144,7 +149,7 @@
            // don't throw exceptions or warnings
            $dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_SILENT);
        }
        catch (PDOException $e) {
        catch (Exception $e) {
            $this->db_error     = true;
            $this->db_error_msg = $e->getMessage();