streamWrapper::mkdir — Create a directory
This method is called in response to mkdir().
In order for the appropriate error message to be returned this method should not be defined if the wrapper does not support creating directories.
Directory which should be created.
The value passed to mkdir().
A bitwise mask of values, such as
TRUE on success or
FALSE on failure.
E_WARNING if call to this method fails
(i.e. not implemented).
The streamWrapper::$context property is updated if a valid context is passed to the caller function.