Where are plugins located
The two directories, where plugins can be located in line with normal mechanics are: wp-content/plugins wp-content/mu-plugins
plugins
Custom Filter in WordPress to modify footer information via plugin?
Most of the footer is straight-up PHP/HTML markup. You apply filters to dynamic content, which is why there isn’t a typical footer “filter.” That said, it’s relatively easy to add your own filters to WordPress. Let’s say your footer.php consists of the following: </div> <!– close main content div> <div id=”footer”> <p class=”copyright”>Copyright 2011 By … Read more
TinyMCE Advanced newline problem
Go into Settings -> TinyMCE Advanced, and check the option Stop removing the <p> and <br /> tags when saving and show them in the HTML editor. This will allow you full control over those tags inside the HTML view. For a single line break without overriding the editor, use Shift+Enter. To override the editor … Read more
How do you allow plugins to be updated using the GUI without breaking your subversion repository?
Real answer, taking all the above into account: Regarding .svn directories: Subversion 1.7 was released a little over a year ago ( http://svn.haxx.se/dev/archive-2011-10/0152.shtml ) and the working copies no longer contain .svn directories in every folder. They contain a single .svn directory in the root, along with fairly substantial performance improvements. Today, SVN is up … Read more
How to Override a Pluggable Function
Wrap it in a function_exists check: if( ! function_exists(‘some_pluggable_function’) ) { function some_pluggable_function() } }
Replacing Icons in the Dashboard
Yes, you can replace existing icons by overwriting them via CSS. Make sure to check if the existing icon is set via img or background-image and add some CSS to overwrite it with one of the available icons. You can find all available icons and the appropriate selector at the Dashicons Website. To replace the … Read more
WordPress plugin executing code twice
Quite simply, it’s loading more than once because you’re probably actually making more than one HTTP request to “WordPress”. You should not do anything like counting on a plugin load like this, because WordPress can load in many different situations, sometimes more than once for even a single page view. The wp-cron process, for example, … Read more
How does WordPress official repository estimate ‘Active Installs’ of a plugin?
Short answer: the update API. Whenever your WordPress install makes an update check, it’ll ping wordpress.org with information about all the plugins you have, versions etc., but also whether they are currently activated or not – they then aggregate all this data from all active WordPress installs and hey presto, you get an idea of … Read more
How to stop showing admin notice after close button has been clicked
Two ways to handle this. a. Attach a timer to the notice: You could attach a 3-second timer (or however long you wish) to the notice, as follows: <?php set_transient( “my-plugin”, “alive”, 3 ); add_action( ‘admin_notices’, function() { //Syntax correction if ( “alive” == get_transient( “my-plugin” ) ) { ?> <div class=”notice notice-success is-dismissible”> <p><?php … Read more
Changing title of a page dynamically from within a plugin
A post or page has only one title, the title tag <title> is the document title. The filter wp_title filters the output of wp_title() function, which was used before to output the title of the document. In WordPress 4.1, the title-tag support in themes was introduced and wp_get_document_title() is used instead of wp_title(). So, if … Read more