The Help:TranscludePlugin can be used to embed include whole (external) web pages within a wiki page.

Plugin Arguments

src The URL of the page to transclude
height The (initial) height of the transclusion frame. If, possible, after the transcluded page is loaded, the frame is resized via javascript so that it fits the entire transcluded page. (See below for more.)

Bugs / Caveats

Example

<?plugin Transclude src="http://phpwiki.sourceforge.net/demo/ChangeLog" ?>

will get you

Transcluded from http://phpwiki.sourceforge.net/demo/ChangeLog