Aside Widget

Aside widget allows a page or post to insert arbitrary content into a
sidebar (or other dynamic widget area), supporting something similar to the
typographic notion of a ‘pull-quote’.

Aside widget is triggered by the presence, in those pages which require it,
of one or more ‘aside’ custom fields with values that specify the content
of one or more widgets. Shifting the locus of widget content control from
the widget to the page makes for more natural authoring of conditional
content which needs to be associated with just a small number of pages.

As well as text, an ‘aside’ custom field may contain HTML and/or PHP code.
Of course, any HTML should be crafted so as not to break the containing
page structure. PHP parsing must be explicitly enabled in the w…