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Parameter $template_name

Expected type: String
Description: Which template to load the language file for (index, Wireless, etc.)

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Parameter $lang

Expected type: String
Description: Which language to use (English, Spanish, etc.)

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Parameter $fatal

Expected type: Boolean
Description: Whether or not to log an error message if the language file couldn't be loaded. Default is true

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Return value

Expected type: Mixed
Description:

Possible types
Allowed values	Description
Boolean	false if the language file couldn't be loaded
String	$lang, the language that was actually loaded (same as second parameter)