error number
private $errorNum
error message
private $errorMsg
error type
private $errorType
initializes errorType, errorNum and ErrorMsg
public function __construct( $errType = 0, $errNum = 0, $errMsg = "" )
retrieves error message
public function getErrorType()
retrieves error number
public function getErrorNum()
retrieves error message string
public function getErrorMsg()
retrieves error message string
public function getErrorStr()