Manual:$wgContentHandlerTextFallback

Output: $wgContentHandlerTextFallback
How to react if a plain text version of a non-text Content object is requested using ContentHandler::getContentText()
Introduced in version:	1.21.0
Removed in version:	still in use
Allowed values:	(one of the allowed parameters)
Default value:	'ignore'
Other settings: Alphabetical | By function

Allowed parameters

Depending on the value, the following action is taken when Content is not a TextContent object:

• 'ignore' - ContentHandler::getContentText returns null
• 'fail' - Throw an MWException
• 'serialize' - Use the Content objects serialize method to get a string