Changing the post date and time with function

Call wp_update_post() with a special value for ‘post_date’ and ‘post_date_gmt’: $time = current_time(‘mysql’); wp_update_post( array ( ‘ID’ => 123, // ID of the post to update ‘post_date’ => $time, ‘post_date_gmt’ => get_gmt_from_date( $time ) ) );

Mega Menu Walker

If I understand the problem setup correctly, you could try to do the break and widget class counting within the wp_nav_menu_objects filter. Here’s an updated example, it’s rather expanded because of the extra debug part: add_filter( ‘wp_nav_menu_objects’, function( $items, $args ) { // Only apply this for the ‘primary’ menu: if( ‘primary’ !== $args->theme_location ) … Read more

What is the difference between wp_register_sidebar_widget and register_widget?

wp_register_sidebar_widget() is part of the old widgets API. Sidebar widgets used to be built procedurally … in a non-reusable fashion (i.e. you could only ever have one of each). register_widget() was introduced with the new Widgets API and takes an object/class as an input rather than actual widget parameters. WordPress can instantiate as many copies … Read more

How to not allow users to create new tags, but allow to them to use existing ones

You can hook onto pre_insert_term, check the taxonomy and whether or not the user has the specified role as follows: function disallow_insert_term($term, $taxonomy) { $user = wp_get_current_user(); if ( $taxonomy === ‘post_tag’ && in_array(‘somerole’, $user->roles) ) { return new WP_Error( ‘disallow_insert_term’, __(‘Your role does not have permission to add terms to this taxonomy’) ); } … Read more

Function to execute when a post is moved to trash .

This will do the trick! add_action(‘trash_post’,’my_trash_post_function’,1,1); function my_trash_post_function($post_id){ if(!did_action(‘trash_post’)){ // do stuff } } Here we add the function, and to prevent the hook from executing more than once using did_action: http://codex.wordpress.org/Function_Reference/did_action As always, these kinds of hooks take the form {post_status}_{post_type}, so trash_post, trash_page, trash_customposttype, publish_page etc