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RSS doesn't know a base-URL


By Gerd Riesselmann - Posted on 04 November 2005

Writing about the base tag and stupid search engines I completly forgot that RSS doesn't accept relative links - for a good reason of course. This caused at least Bloglines to get a little bit wild about my feed and I'm sorry for the inconveniences this may have caused.

Anyhow, I decided to get rid of the problem once and for all by turning relative links into absolute when writing the feed. This is how I did it:

<?php
function relToAbs($text, $base)
{
if (empty($base))
return $text;
// base url needs trailing /
if (substr($base, -1, 1) != "/")
$base .= "/";
// Replace links
$pattern = "/]*) " .
"href=\"[^http|ftp|https]([^\"]*)\"/";
$replace = "
]*) " .
"src=\"[^http|ftp|https]([^\"]*)\"/";
$replace = "

Just a quick shot, but it seems to work.

I noticed that I'm having the same problem.
Where did you use this code? Thanks!

I use it within my TotalFeeds module :-)

Great solve, thanks!