vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvConnection.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\Driver\SQLSrv;

use Doctrine\DBAL\Driver\Connection;
use Doctrine\DBAL\Driver\ServerInfoAwareConnection;

/**
 * SQL Server implementation for the Connection interface.
 *
 * @since 2.3
 * @author Benjamin Eberlei <kontakt@beberlei.de>
 */
class SQLSrvConnection implements Connection, ServerInfoAwareConnection
{
    /**
     * @var resource
     */
    protected $conn;

    /**
     * @var \Doctrine\DBAL\Driver\SQLSrv\LastInsertId
     */
    protected $lastInsertId;

    /**
     * @param string $serverName
     * @param array  $connectionOptions
     *
     * @throws \Doctrine\DBAL\Driver\SQLSrv\SQLSrvException
     */
    public function __construct($serverName, $connectionOptions)
    {
        if ( ! sqlsrv_configure('WarningsReturnAsErrors', 0)) {
            throw SQLSrvException::fromSqlSrvErrors();
        }

        $this->conn = sqlsrv_connect($serverName, $connectionOptions);
        if ( ! $this->conn) {
            throw SQLSrvException::fromSqlSrvErrors();
        }
        $this->lastInsertId = new LastInsertId();
    }