array(3) {
  [0]=>
  array(6) {
    [0]=>
    string(5) "HYT00"
    ["SQLSTATE"]=>
    string(5) "HYT00"
    [1]=>
    int(0)
    ["code"]=>
    int(0)
    [2]=>
    string(73) "[unixODBC][Microsoft][ODBC Driver 13 for SQL Server]Login timeout expired"
    ["message"]=>
    string(73) "[unixODBC][Microsoft][ODBC Driver 13 for SQL Server]Login timeout expired"
  }
  [1]=>
  array(6) {
    [0]=>
    string(5) "08001"
    ["SQLSTATE"]=>
    string(5) "08001"
    [1]=>
    int(10057)
    ["code"]=>
    int(10057)
    [2]=>
    string(83) "[unixODBC][Microsoft][ODBC Driver 13 for SQL Server]TCP Provider: Error code 0x2749"
    ["message"]=>
    string(83) "[unixODBC][Microsoft][ODBC Driver 13 for SQL Server]TCP Provider: Error code 0x2749"
  }
  [2]=>
  array(6) {
    [0]=>
    string(5) "08001"
    ["SQLSTATE"]=>
    string(5) "08001"
    [1]=>
    int(10057)
    ["code"]=>
    int(10057)
    [2]=>
    string(340) "[unixODBC][Microsoft][ODBC Driver 13 for SQL Server]A network-related or instance-specific error has occurred while establishing a connection to SQL Server. Server is not found or not accessible. Check if instance name is correct and if SQL Server is configured to allow remote connections. For more information see SQL Server Books Online."
    ["message"]=>
    string(340) "[unixODBC][Microsoft][ODBC Driver 13 for SQL Server]A network-related or instance-specific error has occurred while establishing a connection to SQL Server. Server is not found or not accessible. Check if instance name is correct and if SQL Server is configured to allow remote connections. For more information see SQL Server Books Online."
  }
}
<pre></pre>