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diff --git a/vendor/doctrine/dbal/lib/Doctrine/DBAL/DriverManager.php b/vendor/doctrine/dbal/lib/Doctrine/DBAL/DriverManager.php
new file mode 100644
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+++ b/vendor/doctrine/dbal/lib/Doctrine/DBAL/DriverManager.php
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+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\DBAL;
+
+use Doctrine\Common\EventManager;
+
+/**
+ * Factory for creating Doctrine\DBAL\Connection instances.
+ *
+ * @author Roman Borschel <roman@code-factory.org>
+ * @since 2.0
+ */
+final class DriverManager
+{
+    /**
+     * List of supported drivers and their mappings to the driver classes.
+     *
+     * To add your own driver use the 'driverClass' parameter to
+     * {@link DriverManager::getConnection()}.
+     *
+     * @var array
+     */
+     private static $_driverMap = array(
+            'pdo_mysql'  => 'Doctrine\DBAL\Driver\PDOMySql\Driver',
+            'pdo_sqlite' => 'Doctrine\DBAL\Driver\PDOSqlite\Driver',
+            'pdo_pgsql'  => 'Doctrine\DBAL\Driver\PDOPgSql\Driver',
+            'pdo_oci' => 'Doctrine\DBAL\Driver\PDOOracle\Driver',
+            'oci8' => 'Doctrine\DBAL\Driver\OCI8\Driver',
+            'ibm_db2' => 'Doctrine\DBAL\Driver\IBMDB2\DB2Driver',
+            'pdo_ibm' => 'Doctrine\DBAL\Driver\PDOIbm\Driver',
+            'pdo_sqlsrv' => 'Doctrine\DBAL\Driver\PDOSqlsrv\Driver',
+            'mysqli' => 'Doctrine\DBAL\Driver\Mysqli\Driver',
+            'drizzle_pdo_mysql'  => 'Doctrine\DBAL\Driver\DrizzlePDOMySql\Driver',
+            'sqlsrv' => 'Doctrine\DBAL\Driver\SQLSrv\Driver',
+            );
+
+    /** Private constructor. This class cannot be instantiated. */
+    private function __construct() { }
+
+    /**
+     * Creates a connection object based on the specified parameters.
+     * This method returns a Doctrine\DBAL\Connection which wraps the underlying
+     * driver connection.
+     *
+     * $params must contain at least one of the following.
+     *
+     * Either 'driver' with one of the following values:
+     *
+     *     pdo_mysql
+     *     pdo_sqlite
+     *     pdo_pgsql
+     *     pdo_oci (unstable)
+     *     pdo_sqlsrv
+     *     pdo_ibm (unstable)
+     *     pdo_sqlsrv
+     *     mysqli
+     *     sqlsrv
+     *     ibm_db2 (unstable)
+     *     drizzle_pdo_mysql
+     *
+     * OR 'driverClass' that contains the full class name (with namespace) of the
+     * driver class to instantiate.
+     *
+     * Other (optional) parameters:
+     *
+     * <b>user (string)</b>:
+     * The username to use when connecting.
+     *
+     * <b>password (string)</b>:
+     * The password to use when connecting.
+     *
+     * <b>driverOptions (array)</b>:
+     * Any additional driver-specific options for the driver. These are just passed
+     * through to the driver.
+     *
+     * <b>pdo</b>:
+     * You can pass an existing PDO instance through this parameter. The PDO
+     * instance will be wrapped in a Doctrine\DBAL\Connection.
+     *
+     * <b>wrapperClass</b>:
+     * You may specify a custom wrapper class through the 'wrapperClass'
+     * parameter but this class MUST inherit from Doctrine\DBAL\Connection.
+     *
+     * <b>driverClass</b>:
+     * The driver class to use.
+     *
+     * @param array $params The parameters.
+     * @param \Doctrine\DBAL\Configuration The configuration to use.
+     * @param \Doctrine\Common\EventManager The event manager to use.
+     * @return \Doctrine\DBAL\Connection
+     */
+    public static function getConnection(
+            array $params,
+            Configuration $config = null,
+            EventManager $eventManager = null)
+    {
+        // create default config and event manager, if not set
+        if ( ! $config) {
+            $config = new Configuration();
+        }
+        if ( ! $eventManager) {
+            $eventManager = new EventManager();
+        }
+
+        // check for existing pdo object
+        if (isset($params['pdo']) && ! $params['pdo'] instanceof \PDO) {
+            throw DBALException::invalidPdoInstance();
+        } else if (isset($params['pdo'])) {
+            $params['pdo']->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
+            $params['driver'] = 'pdo_' . $params['pdo']->getAttribute(\PDO::ATTR_DRIVER_NAME);
+        } else {
+            self::_checkParams($params);
+        }
+        if (isset($params['driverClass'])) {
+            $className = $params['driverClass'];
+        } else {
+            $className = self::$_driverMap[$params['driver']];
+        }
+
+        $driver = new $className();
+
+        $wrapperClass = 'Doctrine\DBAL\Connection';
+        if (isset($params['wrapperClass'])) {
+            if (is_subclass_of($params['wrapperClass'], $wrapperClass)) {
+               $wrapperClass = $params['wrapperClass'];
+            } else {
+                throw DBALException::invalidWrapperClass($params['wrapperClass']);
+            }
+        }
+
+        return new $wrapperClass($params, $driver, $config, $eventManager);
+    }
+
+    /**
+     * Checks the list of parameters.
+     *
+     * @param array $params
+     */
+    private static function _checkParams(array $params)
+    {
+        // check existance of mandatory parameters
+
+        // driver
+        if ( ! isset($params['driver']) && ! isset($params['driverClass'])) {
+            throw DBALException::driverRequired();
+        }
+
+        // check validity of parameters
+
+        // driver
+        if ( isset($params['driver']) && ! isset(self::$_driverMap[$params['driver']])) {
+            throw DBALException::unknownDriver($params['driver'], array_keys(self::$_driverMap));
+        }
+
+        if (isset($params['driverClass']) && ! in_array('Doctrine\DBAL\Driver', class_implements($params['driverClass'], true))) {
+            throw DBALException::invalidDriverClass($params['driverClass']);
+        }
+    }
+}