Array
(
    [0] => Array
        (
            [0] => 08001
            [SQLSTATE] => 08001
            [1] => 26
            [code] => 26
            [2] => [Microsoft][ODBC Driver 11 for SQL Server]Client unable to establish connection because an error was encountered during handshakes before login. Common causes include client attempting to connect to an unsupported version of SQL Server, server too busy to accept new connections or a resource limitation (memory or maximum allowed connections) on the server.
            [message] => [Microsoft][ODBC Driver 11 for SQL Server]Client unable to establish connection because an error was encountered during handshakes before login. Common causes include client attempting to connect to an unsupported version of SQL Server, server too busy to accept new connections or a resource limitation (memory or maximum allowed connections) on the server.
        )

    [1] => Array
        (
            [0] => 08001
            [SQLSTATE] => 08001
            [1] => 233
            [code] => 233
            [2] => [Microsoft][ODBC Driver 11 for SQL Server]Shared Memory Provider: No process is on the other end of the pipe.

            [message] => [Microsoft][ODBC Driver 11 for SQL Server]Shared Memory Provider: No process is on the other end of the pipe.

        )

    [2] => Array
        (
            [0] => 08001
            [SQLSTATE] => 08001
            [1] => 26
            [code] => 26
            [2] => [Microsoft][ODBC Driver 11 for SQL Server]Client unable to establish connection
            [message] => [Microsoft][ODBC Driver 11 for SQL Server]Client unable to establish connection
        )

    [3] => Array
        (
            [0] => 08001
            [SQLSTATE] => 08001
            [1] => 233
            [code] => 233
            [2] => [Microsoft][ODBC Driver 11 for SQL Server]Client unable to establish connection due to prelogin failure
            [message] => [Microsoft][ODBC Driver 11 for SQL Server]Client unable to establish connection due to prelogin failure
        )

)
1