5

Your plugin appears to be written for a very old version of Joomla! The event in current versions is onContentBeforeSave. You are also missing $context argument. It's a good idea to check for context to make sure that you're modifying the correct content type (e.g. article). public function onContentBeforeSave($context, $article, $isNew) { if ($context !...


1

With Joomla core you need to setup a menu structure that will correspond to what you want to achieve with your URLs. Menus are important in Joomla. From the example of the URLs in your question - it seems like you have created a menu item for the article1. If you want all articles of that category (cat1) to be reachable under the cat1/article1,art2,art3 ...


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