Method by which plugins and themes extend core WordPress functionality.

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3
votes
3answers
12k views

Woocommerce Product Category Widget - hide categories that have no products in stock [closed]

I'm using WooCommerce on my Wordpress site, and have a widget in the sidebar showing all product categories. It's setup to hide empty categories, and that works well. However, it still shows ...
3
votes
2answers
3k views

why doesnt is_home() work in functions.php

I'm pulling in scripts.php through functions.php. this is in scripts.php but for some reason, wordpress isn't recognizing is_home(). i've tried resetting the query, but to no avail. Am I hooking into ...
3
votes
1answer
5k views

How to use the_excerpt in a filter hook?

I was hoping to process the_excerpt just like one would with the_content, but no such luck. How can I pass the excerpts of a Posts Page, through my plugin? I've tried variations on this: ...
3
votes
2answers
231 views

How to hook into the CPT's title placeholder?

I want to change the default placeholder text in my Custom Post Type title field. This isn't possible while registering a new post type. The following screenshot describes it.
3
votes
3answers
461 views

Define custom Page Template without its own .php file

Is there any way of defining a Page Template from some function/filter/hook, without having any .php file containing the comment at the top of the page to declare the Template Name? For example, ...
3
votes
3answers
781 views

how to limit edit_form_after_title hook to page and post edit only?

heelo, I want to use this great hook edit_form_after_title it was announced on December 1, 2012: http://make.wordpress.org/core/2012/12/01/more-hooks-on-the-edit-screen/ it curreclty hook for : ...
3
votes
2answers
8k views

Add subtitle to Woocommerce product title

I'm using WooCommerce on a site built with Pagelines Framework. I need to have a subtitle/customisable field appear under the product name anywhere it appears in the site. As it is, WooCommerce ...
3
votes
1answer
673 views

Hook into admin post list page

So I want to create a custom admin interface for the post and page lists. I want it to be a split view with a list of posts and some data on the left, and a full editable preview of the post on the ...
3
votes
4answers
4k views

Filter specific shortcode output?

Is there a hook in WordPress that I can use to filter the output of a specific shortcode? Something like this: add_filter('shortcode_output', 'my_filter_function', 2); function my_filter_function ( ...
3
votes
1answer
577 views

Is there an action for when permalinks are rebuilt?

In my plugin, I have a list of titles and permalinks in the options table. It's updated every time my custom post type is saved. Since I'm saving permalinks the option data can become bad if the ...
3
votes
3answers
5k views

Hooking a function onto the sidebar?

I'm looking for a way to add some content to the top of the sidebar when it get's loaded. I've tried hooking onto the get_sidebar action as referenced here, but it seems to override the sidebar call ...
3
votes
1answer
60 views

How to add a link to Wordpress Plugin install Listing

When an user searches for a plugin from the WP Admin's Add Plugin area, I want to add a link/button to every plugin's listing area. Which hook should I use? The location where I want the link is ...
3
votes
2answers
276 views

Identify which loop you are hooking into; primary or secondary?

What is the most efficient way to determine which loop I'm in? I have a few plugins that alter the query by hooking into various parts of WP_Query::get_posts(), through the usual suspects, ie ...
3
votes
2answers
813 views

Seeking clarification on page request life-cycle

I'm just trying to get my head around the "life-cycle" of a typical page request in WordPress. The Action Reference page lists 38 actions that occur during a typical page load, but two things aren't ...
3
votes
1answer
442 views

Check php version before theme activation

I've got theme that requires php 5.3+ version. If older - fatal error occurs with it. So what I need to do when user try to activate this theme is to check php version before going into theme code ...
3
votes
1answer
76 views

Disallow a user to post in certain categories

I am writing a plugin that will disallow user to post in certain categories. I am trying to display an error message to the user when he tries to post in the restricted category and also want WP ...
3
votes
2answers
1k views

How to create notification on frontend using heartbeat api for multiple custom post types

How can I get correct action hook on publish_posts for multiple custom types ? I have a following problem, I can use this hook for posts or single custom post_type, but I don't know correct hook for ...
3
votes
1answer
2k views

Hooks for trashing, deleting, saving, restoring custom post type

I need some hooks especially for trashing and untrashing custom post types. However the hooks are not so clear in this case. For example, to run a function on trash, I can use ...
3
votes
1answer
1k views

Is there a filter/action to add content to WP admin metaboxes?

I want to add an instruction into a custom term meta-box. Is there a hook to add this or is it easiest just to use JavaScript?
3
votes
1answer
34 views

Change text of Description in Image Library

i would like to change or add text to the Media Library Overlay on the right side if you click on an image and can enter a description for the image. At the moment there stands "Description" or ...
3
votes
1answer
396 views

Call activation hook multiple times

I have a plugin that does some initialization stuff using register_activation_hook called from its __construct(). I've since extended my plugin to add functionality to it. For the sake of ...
3
votes
1answer
1k views

How do I handle multiple Submit buttons in plugin's option page?

I'm developing my first plugin for WordPress and I'm getting a grasp of the whole hook system. I'm now stuck on a (probably) small issue, that I could possibly circumvent, but I'm afraid of coming out ...
3
votes
2answers
1k views

Action hook 'wp' firing twice… why?

I noticed that when I hook into 'wp' it seems to be firing twice -- for example add_action('wp', 'just_testing'); function just_testing(){ global $post; error_log($post->ID); } returns ...
3
votes
3answers
2k views

How to Debug the 'save_post' Action?

Is it possible to validate PHP code? I have a Custom Post Type (Film) with Custom Meta Boxes. Everything is working fine, I can add new Films and details to the Custom Meta Boxes. My problem is ...
3
votes
2answers
3k views

Check if action hook exists before adding actions to it

I am trying to add a rel=next and rel=prev link tags to the head element of image.php template file. I have Wordpress SEO installed and I like to hook to this plugin wpseo_head action hook to achieve ...
3
votes
1answer
3k views

Using action hooks inside of a shortcode

I am trying to create a modular plugin that includes action hooks for developers to add content before and after the main shortcode content. I'm having some trouble because anything I do in the ...
3
votes
1answer
644 views

Determining a Widget Instance and Sidebar Location?

When using the filter: add_filter('widget_display_callback', 'function_name'); function function_name($instance) { /* Some Code */ return $instance; } Is it possible to determine the sidebar ...
3
votes
1answer
944 views

Want to redirect if search query match exact title of any post

I am using WordPress 3.3.1 and new to this system. I want to redirect the search query to the post if query exactly matches post title of some post. I also want it to run before any search query ...
3
votes
1answer
39 views

Remove action from plugin on other plugin

I'm trying to remove two of the actions that adds a plugin (sportspress specifically). The actions of this plugins are: ...
3
votes
2answers
166 views

What hook is executed just after wp_query has been executed?

What hook is executed just after wp_query has been executed? before template is rendered? I want to change the page title but it depends on what has been queried. I have put it in template_redirect ...
3
votes
1answer
3k views

Which hooks is this? add_action('wp',

I have seen it here: wp_schedule_event Code snippet: add_action( 'wp', 'prefix_setup_schedule' ); I couldn't find this hook anywhere in documentation, how does it work?
3
votes
5answers
576 views

How do I make a theme “plugin-ready”?

How do I revise a theme so that I can publish my event hooks and anyone can build a plugin to add new functionality easily to my theme?
3
votes
2answers
597 views

Which hook should be used to validate custom form fields on the login form?

I've added a custom input field with login_form hook. So, I need to process the post data to validate. I've used the lostpassword_post for lostpassword_form and works great, but I cant find a hook to ...
3
votes
1answer
205 views

How should I intercept the main query and inject custom join / order by / group by criteria

I have a CPT that is a member of two separate taxonomies. On the taxonomy archive page for one of the taxonomies, I need to further group and sort on the second taxonomy like so: ...
3
votes
1answer
646 views

The 'user_has_cap' hook seems to take two page loads to trigger

This question relates to another question I asked recently (http://wordpress.stackexchange.com/questions/29009/how-to-assign-specific-users-the-capability-to-edit-specific-pages-posts-cus/), the ...
3
votes
1answer
4k views

Overriding The Loop with filter or hook

I'm trying to replace the $wp_query object for a specific category, without having to deal with creating a new template and creating a new WP_Query object there. My aim is to change the data ...
3
votes
1answer
1k views

Any Hook Called When Post Becomes Published?

Posts may be published either immediately or in the future. Suppose a plug-in wants to do something at the moment when the post becomes published and visible on the blog (I don't mean when the post ...
3
votes
1answer
144 views

Multiple wp_schedule_event cron jobs in plugin cause multi-execution

over the last week I have been working on some cron jobs for a real-estate website that has hundreds of updates/deletes and new posts added each day. I am very near the end now and looking to ...
3
votes
4answers
2k views

Wordpress auto login after registration not working

So I looked up a bunch of threads trying to figure out how to automatically log a user in after registration, and came up with this. function log_me_the_f_in( $user_id ) { $user = ...
3
votes
2answers
189 views

Wordpress scheduled task is called but not executed

I created a plugin with a cron to update all posts of a certain type every 5 minutes. I installed WP Crontrol to check if the cron is registered correctly and everything seems to be okay. This is how ...
2
votes
2answers
4k views

what is correct way to hook when update post

i try to hook when post is updated but all hook i try never executed except updated_post_meta add_action('updated_post_meta', 'my_function'); function my_function($post_id) { echo 'This is ...
2
votes
2answers
8k views

Use latest jQuery in WordPress (admin interface)

I want to use the latest jQuery (and jQuery UI) versions on my admin interface (editing a specific post type that I created). I tried this: // jQuery 1.x wp_register_script('jquery1x', ...
2
votes
2answers
2k views

Why isn't is_home() working correctly?

I put a if(is_home()) bit in my theme's functions.php and it doesn't seem to work. The function containing this bit is called on init so is_home should work already.
2
votes
3answers
3k views

Hook on trash post

I want to perform an action when I delete one of my custom post types, which hook should I use: wp_trash_mycpt or trash_mycpt My action should run solely when mycpt is in the 'publish', 'draft' ...
2
votes
2answers
1k views

action lifecycle

I'm looking for a documentation page where wordpress action lifecycle is explained. Does it exist? I can't understand if init is called before admin_head or viceversa (even if the name is ...
2
votes
2answers
1k views

Wordpress Admin Tooltip hooks

I want to know if there is a way to use Wordpress Adminitration Tooltips (de gray and blue ones) that are shown one you update your worpdress (3.x). Showing the new features. Thanks!
2
votes
2answers
3k views

How do I “unhook” / de-register jQuery so that it's not called as part of wp_footer();?

I need to "unhook" jQuery from my wp_footer() ... it's being called automatically and I'm looking for something I can add to functions.php which prevents it from being called a second time in the ...
2
votes
2answers
5k views

Filter the URL of next_posts_link & previous_posts_link

I am working with the qTranslate plugin to create a multi-lingual website. The plugin does a great job of translation except for on the next_posts_link & previous_posts_link template tags. When ...
2
votes
3answers
555 views

Implementing DNS Prefetching with WordPress

I'm not sure whether my question sounds promising or not but what I'm going to ask is very much relevant. So please read the full question before down voting or flag. I'm trying to implement DNS ...
2
votes
1answer
860 views

the_posts hook, which set of posts?

I want to modify search results. Currently I hook to the_posts and check wp_query->is_search to determine if I am looking at the search results page. However, I noticed that the_posts is executed ...