Method by which plugins and themes extend core WordPress functionality.

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1
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1answer
114 views

Conditional hook based on the core function that is calling it

In a Multisite, I'm applying the filter get_blogs_of_user to sort the "My Sites" admin bar menu, where the sites are listed by blogname: What happens is that I'd like another order elsewhere, where ...
0
votes
1answer
730 views

Plugin uninstall function is not working

I am updating my plugin for Wordpress version 3.5 compatibility. These are my important plugin files: Sort_SearchResult_by_Title.php: <?php if(!class_exists('Class_Sortsearchresults')) { ...
1
vote
1answer
3k views

Using the 'draft_to_publish' hook (post status transition)

I am trying to use the draft_to_publish hook (http://codex.wordpress.org/Post_Status_Transitions) to run a function when a post that is a draft becomes published. This hook does not appear to be ...
0
votes
1answer
129 views

How do I replace title with my plugin?

I am developing a plugin for WordPress 3.5. My blog's default title is "Test". Here is some code of my plugin: add_filter('wp_title', 'my_replace_title'); function my_replace_title(){ return ...
0
votes
1answer
178 views

template_redirect not being called when using ajax

Usually I hook all my custom plugins code with the template_redirect hook but one of the issue I encountered is it does not work for the ajax call. So if I want to target both standard calls and ajax ...
0
votes
1answer
91 views

What's the hook for filtering every texts of site?

I'm developing a plugin to replace a character that google doesn't show it with an accepted character. I want to get all the texts that wordpress returns (content, comments, title, names, etc.) but I ...
2
votes
2answers
2k views

Make W3 Total Cache “Empty All Caches” function purge varnish [closed]

Right now, when I perform "Empty All Caches" it doesn't send a PURGE request to varnish. The result is that varnish isn't being refreshed. Is there a way that I can make varnish purge it's cache when ...
2
votes
2answers
64 views

Searching a hook which triggers when deleting a post to get all comments

When deleting a post, all comments associated with this post get the status "post-trashed". I'm searching a hook for this event. Tried these one without success: comment_approved_to_post-trashed ...
1
vote
1answer
1k views

How to delete all post and attachments of a user when I delete it?

When I delete a user, WordPress can just delete the post or page of this user, not his custom post and his attachments. An idea for a special hook? add_action( 'delete_user', 'my_delete_user'); ...
0
votes
2answers
680 views

'save_post' hook not working in WP 3.5

I used to have an extra option added to the 'Edit Media' screen (using the attachment_fields_to_edit hook, and then saving with attachment_fields_to_save). However, I've updated to 3.5 today, and the ...
1
vote
1answer
1k views

How to Add Custom CSS to the Media Thickbox?

I've added a couple of custom fields to the Edit Media screen, but when these are displayed in the WP Media Thickbox (when adding images from the Edit Post screen, for example), the styling is gone. ...
2
votes
1answer
3k views

How to add hook to the_title() and get_the_title()

I've having trouble with accented characters now if i do utf8_decode() before echoing the title the problem is solved but instead of changing this all over my theme, can't I do this in one place that ...
1
vote
1answer
425 views

Count singular post views automatically

I'm trying to add some function to each loop called in the themes. What I'm doing is I add a function to count post view from here post views without plugin, to use the function I need to add this ...
6
votes
1answer
1k views

Hook into WordPress update?

I'd like to know if there's any way to hook into WordPress update process and send $_POST variable to update server? I'm delivering plugin/theme updates from private server and I hook into this: ...
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 ...
0
votes
1answer
488 views

load-* hook for dashboard

I'm trying to add a screen option to the dashboard screen. I have a function like: my_function() { ... add_screen_option() ... } Now, I need to know the correct action hook $hook to ...
0
votes
1answer
126 views

What hook is used to display the admin_bar on the front end?

Or, how is the admin_bar displayed at all? I'm looking to display a similarly styled menu, but for all users who visit.
1
vote
2answers
55 views

Adding a form at the end of the content

I'm trying to add a little form after each post for a plugin I have to code, but I'm not very familiar with Wordpress. By using add_action with the_content as hook, I was able to add some text to the ...
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 ...
0
votes
1answer
114 views

Function is Missing an Action Hook

I have tied an action into a status change, which works on the backend. However,using a frontend button for updating post status does not trigger the action(http://wordpress.stackexchange.com/...
1
vote
3answers
673 views

How do I display only the latest post on my home page, while maintaining proper plugin hooks?

What I'm trying to do is display the most recent post (a la my theme's "single.php") on my "home" page. This is complicated by the fact that I have certain plugins (specifically, Scripts n Styles) ...
5
votes
1answer
77 views

Do WordPress Core Filenames Work as Hooks?

This is in reference to another answer here on wordpress.stackexchange. The answerer used the filename as the hook to enqueue scripts and styles to certain pages. add_action( 'admin_print_scripts-...
1
vote
3answers
105 views

When to use actions and when to use filters

I'm trying to understand where to use filters and where to use actions. Suppose I have a query in a plugin, which later add on modules might modify to change the results of the query, thus modifying ...
0
votes
1answer
376 views

frontend show edit profile with selected custom options

So I have many custom user profile fields. When I use do_action( 'show_user_profile', $profileuser ); hook it displays all custom user profile fields.. But I would like to show only certain fields. ...
1
vote
4answers
3k views

How to inject content after <body>

I would like to inject some elements directly after the <body> tag. Is that possible using only WordPress hooks?
5
votes
2answers
520 views

Is there any debug toolbar that shows whick hooks are called for the current page in Wordpress?

In Django there is a debug toolbar that shows which template files and hooks are called while rendering a page. Is there any plugin that shows which hooks are called for the current page in ...
3
votes
3answers
4k 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 ...
1
vote
2answers
136 views

Failed to invoke other hook from the init hook

Related to this question (Use wp init hook to call other hooks?) but not the same. Sometimes, I found that the hook will failed to run when I place inside the init hook, e.g. Not Work: add_action('...
0
votes
2answers
830 views

How to Modify Default Text in a Custom Taxonomy Admin Panel?

I’d like to make a tiny change in one of my custom taxonomy admin panels: rename the label "Description" to "Title".
3
votes
1answer
2k views

WP Multisite: Adding pages on blog creation by default

I’d like to have a page added by default when a new site is created with WP Multisite. So I have my function that creates two pages: function my_default_pages() { $default_pages = array('Impress'...
1
vote
1answer
224 views

Checking post format during xmlrpc_publish_post

WordPress apparently stores post format information outside of the $post object. During publish_post this isn't (usually) a problem because you can check on formats via get_post_format( $post->ID ) ...
6
votes
2answers
2k views

Action hook for custom tax edit

So, i have a function in my template file functions.php which cache a search form that contain a custom taxonomie terms. I want to flush cache (or delete one cache group) when I add/delete/edit terms ...
3
votes
0answers
40 views

How to hook into unregistering a widget instance?

I would like to hook into a widget instance after it is removed from a sidebar panel on the Appearances -> Widgets admin page. So if the instance was an active widget and then removed, I would like ...
0
votes
1answer
3k views

Filter WooCommerce Orders

I am using woocommerce for a "multi-seller" system. Meaning one site (no multi-site), but many sellers with different products. To let each owner only manage it's own orders, it would like to filter ...
0
votes
1answer
451 views

Change the look of the media uploader

I have been trying to find out for a while now if there is a way to totally change the look of the pop up media uploader. How can I alter the content and the layout of that page? Which hooks should I ...
3
votes
5answers
586 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?
0
votes
2answers
299 views

Query author's posts & posts that have author's id as meta value

I am trying to get posts with an author's ID as a meta value in the author.php template using additional request parameter. For example I want posts with john's ID as a meta value using a request ...
-1
votes
1answer
673 views

How do I change TinyMCE button “i” to create a i tag rather than em? [duplicate]

I want to give the "italic" button back the "styling" behaviour, rather than the spammy <em>. I want that button to print a <i> tag, rather than <em>. <em> tags became popular ...
1
vote
1answer
6k views

Execute function when post is published

I try to use this function i have created when a post is published for the first time. function a_new_post($post){ $post_id = $post->ID; if ( !get_post_meta( $post_id, 'firstpublish', $single ...
1
vote
1answer
396 views

Adding option to Gallery shortcode

just starting out in WP dev, and I'm looking for any guidance I can get. What I'd like to do is use a hook or filter to add my own option to the core WP gallery shortcode. I would want it to work just ...
8
votes
3answers
18k views

Hook for post and page load

I need to run a function when a particular post or page is loaded. Is there any hook that lets me check whether a post is being displayed during page load ?
-2
votes
1answer
173 views

add_action failed to display function by a plugin

I am using a plugin which has the following function: See end of question. And I've created a hook in my template file: <?php custom_hook(); ?> And this is what I have in my functions.php ...
1
vote
2answers
2k views

Add action hook conditionally - only when home.php in use

I am trying to add action hook in functions.php only if the page is home.php but the following does not work if ( is_page_template("home.php") ) { // do stuff } To make sure that file being used ...
4
votes
2answers
1k views

How To Determine If A Filter Is Called In A Sidebar/Widget Context?

So I have a plugin that appends or prepends an enhanced author biography to the content of a page/post/custom post type. It does this by hooking to either the_content or the_excerpt and appending/...
9
votes
2answers
8k views

Use wp init hook to call other hooks?

I want to know if it is a good practice according to WordPress theme or plugin development. add_action('init','all_my_hooks'); function all_my_hooks(){ // some initialization stuff here and then ...
2
votes
1answer
260 views

How to debug removal of rewrite rule flushing?

I use Custom Post Types. I try this: functions.php add_action( 'admin_init', 'flush_rewrite_rules' ); Now I’d like to remove this again. I try this: remove_action( 'admin_init', '...
1
vote
0answers
125 views

Firing a function AFTER redirect

I am using a function that redirects the user to a custom page, rather than wp-login in the event of errors. In my case I am using the Http Referer function to send the user back to the same page ...
1
vote
1answer
347 views

Strange behaviour with add_{$meta_type}_metadata | add_post_metadata filter

I'm unsuccesfully trying to use the add_{$meta_type}_metadata. This filter is called inside add_metadata function (wp-includes/meta.php:31 in Wordpress 3.4.2). In particular I wanna hook "...
2
votes
2answers
257 views

Hook for URL request

I would like to make XML files downloadable, instead of allowing the browser to displaying them inline. I know I can use the Content-Disposition: attachment HTTP header (of course, better solutions ...
0
votes
1answer
640 views

How to get the password and username of the add new user form (admin back end) in wordpress

I am trying to get the username and password that entered by the wordpress admin in the add new user screen to use those into creating a webmail account using cpanel api. How to do that? is there is ...