Posted by tom on 10/24/89 11:34

i was thinking of using preg_match to search for Relative URLS
beginning with either a '/' or something other than 'http://',
'https://' or 'ftp://'.

then, since i KNOW the Base HREF, adding the Base HREF to the beginning
of these URLS.

FYI, as background: i'm working with a PHP app that deals with images
found in RSS / Atom newsfeeds. stupidly a lot of applications, blogs,
etc, create newsfeeds containing images with paths relative to the web
root, so all i'd have to do is

(a)detect the relative URLs with a REgEx
(b)add the base href to the start of these relative URLs

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