[PHP-DOC] New CHM manual opinions

I've found a little error in the str_replace function description, in the user contributed notes section, specifically under the "[EMAIL PROTECTED]" contribute. The syntax of the code is not correct. Aside of this, I think it would be useful to add the possibility to collapse the user contributed

[PHP-DOC] New CHM manual opinions

llapse the user contributed notes section and simplify the view. Thanks Sigildark