In WordPress v2.5+ the object cache is not persistent. It will save things in memory, but for persistent caching across page loads you will need a plugin see here: http://codex.wordpress.org/Class_Reference/WP_Object_Cache#Persistent_Caching Alternatively, use transients, which are persistent. The identifier must be 45 or less characters long, but the data attached to that identifier can be longer. … Read more
WordPress provides callbacks for widgets interactions. You’re seems interested in two of them: widget-added, widget-updated Usage example: jQuery(document).on(‘widget-updated’, function(e, widget){ // do your awesome stuff here // “widget” represents jQuery object of the affected widget’s DOM element });
The id parameter in register_sidebar is not directly related to the html output. It is used to identify each sidebar when the $widget_object is built. The class should be added to the before_widget markup. http://core.trac.wordpress.org/browser/tags/3.4.1/wp-includes/widgets.php#L1128 is where the class gets parsed.
The registered widgets in your sidebar-1 might be [sidebar-1] => Array ( [0] => categories-2 [1] => archives-4 [2] => recent-comments-4 [3] => calendar-2 [4] => search-2 [5] => archives-2 [6] => text-4 [7] => recent-posts-2 [8] => nav_menu-2 ) If you got for example the calendar-2 widget, then from: print_r( $GLOBALS[‘wp_registered_widgets’][‘calendar-2’] ); you will … Read more
HERE IS THE SOLUTION /** * Extend Recent Posts Widget * * Adds different formatting to the default WordPress Recent Posts Widget */ Class My_Recent_Posts_Widget extends WP_Widget_Recent_Posts { function widget($args, $instance) { if ( ! isset( $args[‘widget_id’] ) ) { $args[‘widget_id’] = $this->id; } $title = ( ! empty( $instance[‘title’] ) ) ? $instance[‘title’] : … Read more
There are (at least) two (2) ways to approach this: You can query the second database which will require you to maintain the database credentials in two places, or at least in an include file, or You could create a simple JSON feed for your photo blog and consume the feed on your main blog … Read more
Add this code to your functions.php file and it will remove the parentheses and surround the post count with a span with a class to easily style it. function categories_postcount_filter ($variable) { $variable = str_replace(‘(‘, ‘<span class=”post_count”> ‘, $variable); $variable = str_replace(‘)’, ‘ </span>’, $variable); return $variable; } add_filter(‘wp_list_categories’,’categories_postcount_filter’); ++Bonus In the archive widget, if … Read more
The tag cloud widget uses wp_tag_cloud() to display the tags, which defaults to 45 tags. Source: https://developer.wordpress.org/reference/functions/wp_tag_cloud/ One can use the widget_tag_cloud_args filter to change this number (and any other arguments passed to wp_tag_cloud(). Here’s an example: function wpse_235908_tag_cloud_args( $args ) { $args[‘number’] = 70; // the number of tags you want to display. return … Read more
You just need to use the alternate syntax for foreach. From the php manual: The foreach construct provides an easy way to iterate over arrays. foreach works only on arrays and objects, and will issue an error when you try to use it on a variable with a different data type or an uninitialized variable. … Read more
I was able to make it work by adding these two lines to my theme’s functions.php file: add_filter( ‘widget_text’, ‘shortcode_unautop’); add_filter( ‘widget_text’, ‘do_shortcode’); The Custom HTML Widget now correctly executes the shortcode function and outputs the result.