getAppFile

Return a path that pertains to the app provided.

By passing in a app directory name, it is possible to retrieve paths that pertain to apps, such as template and data paths without having to manual construct a path.

Parameters:

	string	$in_filename name of the file the path leads to
	string	$in_app (optional) name of the app directory, such as 'login'
	string	$in_service (optional) category of file, such as 'pages', 'data', etc..
	int	$in_type (optional) what type of path to build, based on the constants

public

Returns:

string path for the app file ('view.inc.php', 'login', 'libs', FASTFRAME_APP_TEMPLATES);

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