Workshopshed

<p>The RSS Feed checker looks through your blogroll for links with rss feeds and then stores the name and url of the latest article.<br />
The Links RSS Enhanced widget then displays the latest links in descending order.<br />
The idea for the widget comes from the blogroll widget on blogger.</p>
<p>Version 2.0 for PHP 8 and above only. Only tested on 6.9.<br />
For earlier versions of PHP use Version 1.1</p>
<h3>Technical section</h3>
<p>The plugin will create an extra table in your wordpress database to store the latest feed updates,<br />
this will be called links_rss with the prefix for your database e.g. wp_links_rss</p>
<p>A Cron (schedule) is created to run every 30 minutes and process links. Note that Cron in WordPress<br />
depends on hits, your WordPress website receives. So playing with this plugin within an offline<br />
environment (MAMP, XAMPP, WAMP etc.) without anyone or anything triggering the scheduling by<br />
sending requests to the WordPress page won’t produce any results if you do not trigger it by<br />
yourself.</p>
<h3>References</h3>
<p>A selection of places I’ve found help for this plugin.</p>
<p>Thanks also to Ozh, Roland Rust and for their explainations and examples</p>
<h4>Admin UI</h4>
<ul>
<li>https://codex.wordpress.org/Function_Reference/add_meta_box</li>
<li>https://codex.wordpress.org/Administration_Menus#Page_Hook_Suffix</li>
<li>http://wpengineer.com/1295/meta-links-for-wordpress-plugins/</li>
<li>http://www.code-styling.de/english/how-to-use-wordpress-metaboxes-at-own-plugins</li>
<li>http://planetozh.com/blog/2008/02/wordpress-snippet-add_meta_box/</li>
<li>http://wptheming.com/2011/08/admin-notices-in-wordpress/</li>
<li>http://www.prelovac.com/vladimir/improving-security-in-wordpress-plugins-using-nonces</li>
</ul>
<h4>Ajax</h4>
<ul>
<li>http://return-true.com/2010/01/using-ajax-in-your-wordpress-theme-admin/</li>
<li>http://amiworks.co.in/talk/simplified-ajax-for-wordpress-plugin-developers-using-jquery/</li>
<li>http://xplus3.net/2008/10/16/jquery-and-ajax-in-wordpress-plugins-administration-pages/</li>
<li>http://www.garyc40.com/2010/03/5-tips-for-using-ajax-in-wordpress/</li>
</ul>
<h4>Database</h4>
<ul>
<li>http://createmy.com.au/connecting-your-plugin-to-the-wordpress-database/</li>
<li>http://webjawns.com/2009/08/the-wordpress-wpdb-class-explained/</li>
</ul>
<h4>Scheduling</h4>
<ul>
<li>http://wpseek.com/source/wp/latest/nav.html?wp-includes/cron.php.html</li>
<li>Ideas on background processing from the broken link checker</li>
</ul>
<h4>Settings</h4>
<ul>
<li>https://codex.wordpress.org/Settings_API – new way to handle options/settings         </li>
<li>http://ottopress.com/2009/wordpress-settings-api-tutorial/</li>
<li>http://planetozh.com/blog/2009/05/handling-plugins-options-in-wordpress-28-with-register_setting/</li>
<li>http://wpengineer.com/2139/adding-settings-to-an-existing-page-using-the-settings-api/</li>
<li>http://blog.gneu.org/2010/09/intro-to-the-wordpress-settings-api/</li>
<li>http://alisothegeek.com/2011/01/wordpress-settings-api-tutorial-1/</li>
</ul>
<h4>RSS Feeds</h4>
<ul>
<li>http://jaewon.mine.nu/jaewon/2010/10/30/how-to-make-your-wordpress-a-rss-reader/</li>
<li>https://codex.wordpress.org/Plugin_API/Filter_Reference/wp_feed_cache_transient_lifetime</li>
<li>http://simplepie.org/</li>
</ul>


RSS Feed Checker

The RSS Feed checker looks through your blogroll for links with rss feeds and captures the details to be shown in a widget.

Andrew Nacin

<p>In WordPress 3.5, the Link Manager (which some use to build blogrolls) will<br />
be disabled by default. If you have links when you update, it’ll still be there.<br />
But you can use this plugin to ensure it will always be there, even if you<br />
update to a later version of WordPress or remove all of your current links.</p>


Link Manager

Works on WP 6.1

Enables the Link Manager that existed in WordPress until version 3.5.

RSS Feed Checker vs Link Manager