Review for PHP Manual Search by Wirek
Rated 4 out of 5 stars
I see no difference between this and other very similar plug-in (PHP Function Reference 20130926
by Marcelo) except THIS ONE is older, 3 times larger (e.g. with some trashy reference to "http://kr.search.yahoo.com/" in the XML plug-in file!) and is worse described with a worse (less telling) screenshot.
It would be better if it was showing search suggestions for those with poor memory but it isn't.
To create your own collections, you must have a Mozilla Add-ons account.