Using php on one domain to call for article content stored on another domain

Rather than have numerous copies of the same article on several websites, I would like to store the content of the articles on one domain and call that content with php from other domains, something like this:

[code]
<?php require_once(“../includes/header.php”); ?>
<?php include(“http://www.othersite.com/library/article-content.txt”); ?>
<?php require_once(“../includes/footer.php”); ?>
[/code]

When I try this, I get:

[quote]

Warning: include() [function.include]: Failed opening ‘http://www.othersite.com/library/article-content.txt‘ for inclusion (include_path=’.:/usr/lib/php:/usr/local/lib/php’) in /home2/othersite/public_html/thissite/library/article-content.php on line 10

[/quote]

Line 10 is

[code]<?php include(“http://www.othersite.com/library/article-content.txt”); ?>[/code]

If this is difficult to accomplish, what about storing the article content in mySql?

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