Method by which plugins and themes extend core WordPress functionality.
3
votes
1answer
91 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
253 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
129 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
228 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
671 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
2answers
186 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 ...
2
votes
3answers
3k views
add_action hook for completely new post?
publish_post Runs when a post is
published, or if it is edited and its
status is "published". Action function
arguments: post ID.
-Plugin API Documentation
I've added the publish_post ...
2
votes
5answers
5k views
Adding onload to body
I'm currently trying to develop a plugin that will embed a Google Earth Tour into a WP post / page via a shortcode. The issue I am running into is that for the tour to load, I have to add an ...
2
votes
2answers
2k views
Which hook should be used to add an action containing a redirect?
I want to build a plugin that grabs certain url params from the query string to build a new query string for the same page. I'm following the excellent the Professional WordPress Plugin Development ...
2
votes
2answers
350 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
3answers
1k views
Wordpress hook before inserting post into database
I need to do check the inserted post for certain keywords and perform some functions depending on the keywords found.
is there a wordpress hook that executes "just before the post is inserted into ...
2
votes
2answers
100 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 ...
2
votes
1answer
1k views
How can I remove “Proudly powered by WordPress” from twentyeleven without modifying footer.php?
How can I remove "Proudly powered by WordPress" from twentyeleven without modifying footer.php, and without creating a child theme?
I'm looking for a php command, such as add_action, remove_action, ...
2
votes
1answer
822 views
Check before publishing, if already exist post with current custom field value
I have a custom post type with only 3 custom fields in it.
$post_types = get_post_meta($post->ID,'post_types',true);
$post_taxonomies = get_post_meta($post->ID,'post_taxonomies',true);
...
2
votes
1answer
755 views
What is the 'admin_action_' . $_REQUEST['action'] hook used for?
There's an action hook triggered in admin.php called 'admin_action_'.$_REQUEST['action']. Unfortunately, it's a bit useless for plugins as it's triggered at the very end of admin.php, after ...
2
votes
1answer
987 views
Explanation of the “posts_join” and “posts_fields” filter hooks?
I'm new to the "posts_" filter hooks and wanted to know a few things from those in the know:
In this question, someone posted
an answer using posts_join that took
a second parameter of $query:
...
2
votes
2answers
471 views
Make W3 Total Cache “Empty All Caches” function purge varnish
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
91 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 ...
2
votes
2answers
221 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 ...
2
votes
2answers
2k 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
1answer
292 views
Schedule cron event from widget
Can I use wp_schedule_event() to set up a cron job from within a widget?
I tried, but I can't make it work, The problem seems to be the $hook parameter. The function I'm trying to hook is located ...
2
votes
2answers
349 views
Is This A Correct Example Usage Of current_filter()?
Is this a good example of usage of current_filter()?
<?php
add_filter("_my_filter","common_function");
add_filter("_another_filter","common_function");
function common_function(){
$currentFilter ...
2
votes
2answers
31 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
...
2
votes
1answer
176 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 = ...
2
votes
1answer
187 views
What hooks/filters are there to alter selected terms on post save?
Very simple, where would I hook/filter to alter the users selection of terms when they save a post (Update or Add)?
I need to hook in all instances; such as when saving a post via AJAX, saving when ...
2
votes
1answer
281 views
In what sequence are the hooks fired when a post is “published”?
I would be grateful if someone could point out a link. I understand this may have a very lengthy answer but I searched and couldn't find any resource.
Alternatively, it would also be nice if someone ...
2
votes
1answer
189 views
Post-Registration, post-meta hook?
Is there a hook in WP to access meta data of a user JUST after they have registered and meta data has been added to the database?
I was reading to use profile_update, but wouldn't that be invoked ...
2
votes
1answer
2k 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:
...
2
votes
2answers
777 views
Get password when user registers and save it sha1 into database
im working on a website where the users can connect with iphone to some functions of it by using a sha1 encrypted password. In other words the plain password of wordpress encrypted in sha1.
In the ...
2
votes
2answers
74 views
How to check what kind of saving it is?
I use save_post hook, and I have to know inside this hook function, whether it is a publishing ( draft to publish ) or is it an updating, like publish to publish or draft to draft.
Is there a way to ...
2
votes
1answer
375 views
Trigger custom action when setting button pressed
This is my first wordpress plugin and I'm running a lot of trouble making it work, it almost work fine but I don't find a way to accomplish this specific thing.
Basically I've my custom setting page ...
2
votes
1answer
34 views
comment_email hook doesn't seem to work for comment editor field
I am building a plugin that allows users to PPK encrypt their users' IP/email data. Thus, IP/email data is set to dummy values in the comments table and encrypted values are stored in corresponding ...
2
votes
1answer
139 views
wp_ajax_[service] returning 0
I have a few Ajax services that I'm setting up. All of them require being logged in so I've attached hooks into the "wp_ajax_[$service]". The problem is when I call these services I just get a "0" ...
2
votes
1answer
411 views
BuddyPress: hook to add new profile fields and groups
I am writing a plugin that adds additional profile group and some fields in it when activated. I am using basic $wpdb functions to insert new rows into bp_xprofile_groups and bp_xprofile_fields
So ...
2
votes
2answers
192 views
Load different template file when condition met?
If I visit a page on my WordPress site, WP goes and determines what template file it should use based on the template hierarchy.
If I'm doing some logic checking in the hook init and say my ...
2
votes
1answer
91 views
deactivated_plugin hook: get the name of the plugin
I would like that every time any plugin previously activated, a function from my plugin be called, returning (at least) the name of the plugin, or something that allows to identify it (file name?).
I ...
2
votes
1answer
629 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 ...
2
votes
1answer
236 views
Change WordPress RSS link with filter?
In my theme i use add_theme_support( 'automatic-feed-links' ); to enable the rss links.
But i want to create an option to use Feedburner for the main rss feed, my problem is that i don't know how i ...
2
votes
2answers
2k views
When calling wp_title(), do you have to create some kind of “title.php” file?
... or does wp_title() already handle the various contexts in your blog?
This could clarify for me how I can achieve a reusable index.php file without having all the conditional statements inside it ...
2
votes
1answer
2k views
add_action('wp_ajax_[action name]', myfunction) problem
I'm trying to integrate ajax in wordpress using the wp codex guidelines.
In the PHP I added:
wp_enqueue_script ( 'my_ajax', ADMIN_URL . 'js/ajax.js','jquery','1.0.0' );
wp_localize_script( 'my_ajax', ...
2
votes
1answer
43 views
Display custom list of tags in post/page editor with hooks
I used the information posted on this blog post to display specific tags when editing a post. The editors on my site wanted the ability to display pre-specified tags instead of the most popular ones. ...
2
votes
1answer
48 views
Perform action on WPMU blog deletion
Hi guys :) I know there is the wpmu_new_blog action hook which enables us to perform an action when a new WPMU blog is created. Is there something similar to this which enables us to perform an action ...
2
votes
1answer
89 views
How to remove the Theme Customization Button from the dashboard and themes options page?
In my Wordpress theme that I've currently been building I do not take advantage of the Wordpress Theme Customization API. As much as I would like too, I've invested far too much time into my own ...
2
votes
1answer
151 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:
...
2
votes
1answer
129 views
Adding markup to column text in “Edit Pages” admin page
I was wondering if there is a way to hook into the column titles in the "All Posts" admin page to modify them. For instance, I would like to change "Post" to "<strong>Headline</strong>". ...
2
votes
1answer
152 views
How do I flush the rules after saving settings using the Settings API?
I'm using the Settings API to allow the user to toggle the has_archive option on some custom post types. When the user turns archives on or off, I want to flush the rewrite rules. If I had written ...
2
votes
2answers
853 views
How can I remove css from a child theme?
I am using the theme twentyten as a parent theme for my child theme. I have other stylesheets I want to use and so I'm trying to figure out how to wp_deregister_style for the style.css sheet that is ...
2
votes
1answer
2k 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 ...
2
votes
1answer
280 views
When to call `add_rewrite_rule` for safety
I am starting to run into situations on projects where I am combining multiple plugins which all use add_rewrite_rule and flush_rewrite_rules at different points. As we all know, calling ...
2
votes
1answer
1k views
get $post in init filter or action?
It seems that $post is only available to hooks executing at certain times. I have an "init" hook that needs to pull some data from the database using the $post->ID.
So far my only workaround has ...

