PDO DBLIB divers for Doctrine (ideal for UNIX-based servers connecting to MS SQL Server)

Connection.php

<?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 LGPL. For more information, see
 * <http://www.doctrine-project.org>.
 */

namespace Doctrine\DBAL\Driver\PDODblibSqlsrv;

/**
 * Sqlsrv Connection implementation for PDO Dblib.
 *
 * @since 2.0
 */
class Connection extends \Doctrine\DBAL\Driver\PDOConnection implements \Doctrine\DBAL\Driver\Connection
{
    /**
     * @override
     */
    public function quote($value, $type=\PDO::PARAM_STR)
    {
        $val = parent::quote($value, $type);
		
		// Fix for a driver version terminating all values with null byte
		if (strpos($val, "\0") !== false) {
			$val = substr($val, 0, -1);
		}
		
		return $val;
    }

    /**
     * {@inheritdoc}
     */
    public function rollback()
    {
        $this->exec('ROLLBACK TRANSACTION');
    }

    /**
     * {@inheritdoc}
     */
    public function commit()
    {
        $this->exec('COMMIT TRANSACTION');
    }

    /**
     * {@inheritdoc}
     */
    public function beginTransaction()
    {
        $this->exec('BEGIN TRANSACTION');
    }

    /**
     * {@inheritdoc}
     */
    public function lastInsertId($name = null)
    {
        $stmt = $this->query('SELECT SCOPE_IDENTITY()');
        $id = $stmt->fetchColumn();
        $stmt->closeCursor();
        return $id;
    }
}

Driver.php

<?php
/**
 * Description of Driver
 *
 * @author Simon Rice <simonr@tui.co.uk>
 * @author Scott Morken <scott.morken@pcmail.maricopa.edu>
 */

namespace Doctrine\DBAL\Driver\PDODblibSqlsrv;

class Driver implements \Doctrine\DBAL\Driver
{
    /**
     * Attempts to establish a connection with the underlying driver.
     *
     * @param array $params
     * @param string $username
     * @param string $password
     * @param array $driverOptions
     * @return Doctrine\DBAL\Driver\Connection
     */
    public function connect(array $params, $username = null, $password = null, array $driverOptions = array())
    {
        return new Connection(
            $this->_constructPdoDsn($params),
            $username,
            $password,
            $driverOptions
        );
        return $conn;
    }

    /**
     * Constructs the Dblib PDO DSN.
     *
     * @return string  The DSN.
     */
    private function _constructPdoDsn(array $params)
    {
        $dsn = 'dblib:';
        if (isset($params['host'])) {
            $dsn .= 'host=' . $params['host'] . ';';
        }
        if (isset($params['port']) && !empty($params['port'])) {
            $dsn .= 'port=' . $params['port'] . ';';
        }
        if (isset($params['dbname'])) {
            $dsn .= 'dbname=' . $params['dbname'] . ';';
        }

        return $dsn;
    }

    public function getDatabasePlatform()
    {
        return new \Doctrine\DBAL\Platforms\MsSqlPlatform();
    }

    public function getSchemaManager(\Doctrine\DBAL\Connection $conn)
    {
        return new \Doctrine\DBAL\Schema\MsSqlSchemaManager($conn);
    }

    public function getName()
    {
        return 'pdo_dblib';
    }

    public function getDatabase(\Doctrine\DBAL\Connection $conn)
    {
        $params = $conn->getParams();
        return $params['dbname'];
    }
}

DriverManager.php.patch

diff --git a/lib/Doctrine/DBAL/DriverManager.php b/lib/Doctrine/DBAL/DriverManager.php
index b66c2f8..17fbc01 100644
--- a/lib/Doctrine/DBAL/DriverManager.php
+++ b/lib/Doctrine/DBAL/DriverManager.php
@@ -44,6 +44,7 @@ final class DriverManager
             'ibm_db2' => 'Doctrine\DBAL\Driver\IBMDB2\DB2Driver',
             'pdo_ibm' => 'Doctrine\DBAL\Driver\PDOIbm\Driver',
             'pdo_sqlsrv' => 'Doctrine\DBAL\Driver\PDOSqlsrv\Driver',
+            'pdo_dblib' => 'Doctrine\DBAL\Driver\PDODblibSqlsrv\Driver',
             );
 
     /** Private constructor. This class cannot be instantiated. */

Thanks, it is very important