Well, I have made a 80x15 "button" for my page_caching component.  To display it, just put this where you want it...

<a href="http://www.ircmaxell.com" title="Page Cache!">

<img src="http://www.ircmaxell.com/images/page-cache.png" alt="PageCache" title="Powered By Ircmaxell's Page Cache" height="15" width="80">

>

It will display this:

If you like this component, let others know!

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Before installing this component, you should make sure that the Joomla root is writable (aka the directory where index.php lies). Also make sure that /index.php is writable. Then go ahead and install the component! It will automatically attempt to make all necessary file modifications necessary for the component. If it fails to make the modifications, you can make them manually, or fix the problem and select "Modify Files" from the component menu.

• Access to $_SERVER variables
• If using php4, fsockopen access
• php 4.3.3 or greater

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Well, starting in Version 1.0.7, you can load modules into a cached page! (so you can cache the rest of the page, but update any number of module positions!!!). To do that, install or upgrade to Version 1.0.7, and then edit your template file.

Find the line that loads the module position that you want loaded (looks like )... Now RIGHT around it (just outside of the brackets, add the following lines. IT IS IMPORTANT THAT THEY LOOK EXACTLY LIKE THIS. You can change 'left' and '2', but leave everything else exactly the way it is, or it won't work...

Before (NOTE, change left to the position you want, and the number is the style.

After (This MUST BE EXACT)

That's it!!! Now all you need to do is save the template, and clear the cache. Those modules should be automatically refreshed (with very little performance loss).

Here's an example... Prior to being modified (what to look for)

After Modification

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You can! All you need to do is edit one file. Here's the code to add (or remove).

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Well, for most cases, there are no special concerns that need to be take when developing the component. With that said, here are the things to consider.

• You can create a cache reset plugin by using the XML plugin format described in the FAQs. So if you are developing an interactive component, you can have it reset the cache whenever user information is submitted (by having the users add the plugin).
• If your component accepts information outside of the Joomla framework (aka by submitting data to a file other than index.php, such as in AJAX requests or Cron based automation), you have that file clear the page cache. You can do that with the following code:

To clear the cache from another file (note that the $database object MUST be initialized with the default Joomla database.php) :

if(file_exists($mosConfig_absolute_path.'/components/com_page_cache/page_cache.class.php')) {
require_once ($mosConfigure_absoulte_path.'/components/com_page_cache/page_cache.class.php');
global $pageCache;
$pageCache->clear();
}

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