[wp-hackers] Multi and single widgets

David Anderson david at wordshell.net
Tue Apr 23 11:30:39 UTC 2013


I've been doing some work for a client that has involved becoming very 
intimate with the internals of WP's widget handling.

One thing I can't discern from the code is this: There appear to be 
"multi-widgets" and "single widgets" - but wherein lies the real 
difference? i.e. Why internally are some widgets 'multi', and some 
'single'? I am getting the idea that a "multi-widget" is just a widget 
in a modern WP install, and a "single" widget is a piece of historical 

Unfortunately when Googling these terms, there's too much "noise" - e.g. 
"single" comes up a lot in WordPress for other things.

Am I on the right track? Am I safe to pretend that 'single' widgets 
don't exist, if I'm coding for vaguely recent WP versions?


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