Method by which plugins and themes extend core WordPress functionality.

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2
votes
2answers
1k views

How to use filter hook 'post_updated_messages' in coherence with action hook 'save_post'

I am trying to send out e-mail, SMS and IM notifications to group members of this WordPress website, whenever a WordPress page in their user group has been published/updated. I figured using the ...
0
votes
1answer
299 views

Redirect back to origin page after using get_delete_post_link()

I need to implement frontend and backend redirection after delete specific post using get_delete_post_link(). Which hook i can use? Any advice would be appreciated. Something similar to : <?php ...
2
votes
1answer
155 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>". ...
1
vote
1answer
681 views

correct way to call javascript into hook function

function node_wp($post_ID) { global $post; $post_title = get_the_title( $post_ID ); $post_url = get_permalink( $post_ID ); $json = array( 'title_post' => $post_title, ...
3
votes
1answer
397 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 ...
0
votes
1answer
357 views

Create action running on trashed_post hook to modify post_meta value

I have a custom post type that always do math operation to its post_meta and other custom post type post_meta. For example: post-type 1 = cpt_product_order post-type 1 post_meta = ...
1
vote
2answers
1k views

How to only hook on Single.php after content?

I am currently hooking on the_content() but that goes through the Wordpress loop too. How can I only hook on the Single.php page? Also, is there a way to only look on the first X posts in the ...
1
vote
1answer
128 views

How to Remove the “Restore” Link in Quick Edit?

I want to know is there any hook to remove the Restore link in the edit page - trash page? /wp-admin/edit.php?post_status=trash I know I can hide it with a css/jquery trick, but I prefer to use a ...
0
votes
1answer
71 views

Checking url from plugin

I'm trying to change the login url from wp-login.php to simply 'login'. I'd been looking through another plugins source to find ways of doing it. Some of the applicable parts that I've got so far: ...
0
votes
1answer
214 views

OOP Plugin: Where should I place the action hooks in the class?

Where in my admin class should I place the action hooks for adding css, scripts and the add menu page? In the __construct? Or should they be placed in a method?
1
vote
2answers
108 views

Too many actions/filters!

New to wordpress here. The concept of actions/filters in and of itself is not too difficult to grasp. What I am overwhelmed by is the HUGE amount of actions and filters available. When I am looking at ...
0
votes
1answer
8k views

The hook for the AJAX Add to Cart button?

Anyone here ever had the need to add the AJAX add to cart button (the one located on product archives) on a custom query post output? Do you mind sharing the hook? I can't seem to find the correct ...
2
votes
2answers
320 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
567 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 ...
0
votes
1answer
499 views

Custom posts and get_post_meta in {$post_status}_{$post_type}

I am making a function to parse a .csv file uploaded in a custom field of a custom post. The name of the custom phone and the field's name is plan_information . The problem is when I ...
0
votes
1answer
238 views

Fire a hook programmatically

Is it possible to fire a wordpress hook programmatically? Specifically I'd like to have control of wp-insert-post.
1
vote
1answer
446 views

Looking for a hook for post.php

First time posting here... I am trying to figure out if there is a hook or action that I can use when a user goes to wp-admin/post.php... Basically when the user goes to post.php I want to check if ...
4
votes
1answer
519 views

What is the action hook for save media-form on gallery tab?

I want to save a meta data to post parent when the media-form on gallery tab is saved( The submission button is "Save All Changes"). Which action hook can I use?
2
votes
1answer
156 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 ...
1
vote
1answer
768 views

Filter all html output

I would like to make sure no email address is published in plain. So i developed a plugin that replace all email addresses by a spambot-safe alternative. But some users put their email address in ...
2
votes
2answers
976 views

Is it possible to enqueue a script from a widget method (of extended WP_Widget object)?

I am creating a widget plugin that a user could potentially use multiple iterations of the widget multiple times on a single widget-area / multiple widget-areas on a single page. Because of its ...
0
votes
2answers
4k views

How to use a WooCommerce action hook?

I am wondering how you would implement the following hook. do_action( 'woocommerce_process_product_meta_' . $product_type, $post_id ); What is the correct way to call a call the action from a ...
1
vote
0answers
80 views

Can I hook into wp_update_core outside of the admin?

I'm trying to bring some of the admin functionality to a custom front end in WordPress. Questions of security and pragmatism of this aside, is there an available hook to trigger wp_update_core outside ...
0
votes
1answer
313 views

How to change database values on theme update

I have a theme released into the wild but have not prefixed the post type appropriately. Yes, I know, it's a shame and I regret it :( So, I am currently using acme as the post type name, but I' like ...
1
vote
1answer
327 views

Which action does wp_update_user triggers?

I am working modifying an ecommerce plugin, and it makes uses of wp_update_user() function, and everytime the function runs another table (created by the plugin), gets updated too. The problem is that ...
0
votes
1answer
745 views

hook for lostpassword form

Im trying to add captcha to my remember lost password form: I've added the input with the lostpassword_form hook and is ok. now in the processing I need to add a error when captcha is invalid: ...
3
votes
2answers
413 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 ...
1
vote
3answers
746 views

Is there a recover_post hook to go with trash_post hook?

I'm using the trash_post hook to set a flag in a custom table to indicate that this item is "deleted", but when the user chooses to restore that post, what hook can I use for that? I couldn't find ...
1
vote
1answer
39 views

Is there any way to allow a plugin to write over a previous version?

When installing a plugin, it will not install if the directory to which it is attempting to install already exists. This means that users of our plugin must first manually deactivate and delete the ...
1
vote
1answer
921 views

RSS Feed Custom Title?

For some reason my RSS feed is repeating the site title twice without a space, obviously quite annoying. BlognameBlogname for example. Is there any hook i can use to have a custom title for the RSS ...
4
votes
1answer
113 views

How Do I Load My Action Earlier Enough?

With add_action, I want to intercept as early as I can in my plugin and send a 304 Not Modified header per some rules. Does anyone know what the order is of events? When I view this page, it seems to ...
1
vote
1answer
523 views

Add custom column in custom post type edit page

I am using the Content Scheduler plugin to control the post expire. The plugin will add a expiry date column on the wp-admin/edit.php in page and post. However it doesn't show in custom post type page ...
9
votes
2answers
3k views

Why do some hooks not work inside class context?

I'm pretty stumped on this one. I'm using add_action inside my plugin class to do certain things- add scripts & styles to the head, wp_ajax, etc. Here's the actions, in the __construct: function ...
0
votes
3answers
989 views

How to get post ID with hooks publish_post, new_to_publish, etc

I have two plugins, one uses the function wp_insert_post(), the other has a code like this: add_action('future_to_publish', 'myFunc', 10, 1); add_action('new_to_publish', 'myFunc', 10, 1); ...
12
votes
3answers
3k views

How to add Custom Blog Options to new blog setup form?

Seems like a simple enough requirement, but I'm struggling: I want to add an option field to the "Add New Site". A simple text option is fine. How do I do this? I need to save this custom blog ...
0
votes
1answer
240 views

Turning on output buffering in a wordpress plugin

My wordpress plugin uses sessions for handling various things, and on the production site I'm testing it on output buffering is not on by default so I'm getting a lot of messages such as these: ...
0
votes
1answer
988 views

get_current_screen and the WP_Screen class

So I'm trying to figure out how to properly use the get_current_screen. For learning sake, I'm just popping an alert for a specific page. I've looked at ...
0
votes
1answer
273 views

How can I modify the header of RSS feed items?

Specifically I would like to change the value of <dc:creator> in the feed items. In order to display the site name instead of the post author. I'm able to hook into the_title_rss , ...
0
votes
1answer
118 views

Bug: Post needs to be updated twice when adding action for save_post hook

My function does exactly what I want it to do: I'm trying to add/update meta fields in another post type when an "events" post is saved. Except the post needs to be updated twice for the information ...
1
vote
3answers
476 views

wordpress custom modules/widget areas on the page? can i make my own?

im kind of a wordpress noob so please excuse my inexperience. so long story short, ive been tasked with creating a WP theme (kinda simple) but, one of the areas, around footer area, has a few things ...
3
votes
1answer
686 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 ...
6
votes
1answer
889 views

Whats worth using add_action when we can simply use add_filter?

I've just looked into wordpress code and found this definition of add_action: function add_action($tag, $function_to_add, $priority = 10, $accepted_args = 1) { return add_filter($tag, ...
3
votes
1answer
190 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: ...
4
votes
1answer
308 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
1answer
2k 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
2k 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 ...
1
vote
1answer
195 views

filter the_title problem in nav

Hi I have a problem with the_title filter: I have this code at my constructor: add_filter( 'the_title', array($this, 'change_title') ); and this as callback (for testing purposes) public ...
0
votes
1answer
331 views

Changing the text of Upload/Insert on Posts and Pages Screen

In wp-admin/includes/media.php I found this: function media_buttons($editor_id = 'content') { $context = apply_filters('media_buttons_context', __('Upload/Insert %s')); $img = '<img ...
2
votes
1answer
419 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 ...
0
votes
2answers
430 views

Unhook the comment form in Buddypress

Im trying unhook the comment form found in the functions.php of the deafault buddypress theme so I can change it a bit. I placed this piece of code into my child theme functions.php but it didn't ...