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How to add target=_blank to some links in a html string

Asked by ApOG in PHP Scripting Language

Tags: html php links target=_blank

I need some help here:

Suppose I have this string:

$string = <p>Some text <a href="http://www.mydomain.com/436.php">link to my domain</a> some other text <a href="http://www.otherdomain.com">link to other domain</a>.

I need a function that adds target=_blank to links outside my domain, so they open in new windows. But if the link contains "www.mydomain.com" they function should NOT add the target=_blank.

This will be used for a custom blog where posters add any links and the script saves the output into a DB. This function should change the target of the link if it goes outside "www.mydomain.com".

Thanks!
 
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