Method by which plugins and themes extend core WordPress functionality.

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205 views

Update meta values with AJAX

I am working on a voting system in Wordpress. I first made it with GET requests but someone told me you should not use GET for this, So I started working with AJAX to update custom fields/meta values, ...
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1answer
42 views

Posts are duplicating on wp_post_update

I have stucked in writing a simple function that on certain page update refresh all posts in a custom post type. Here is my code (based on this): add_action('save_post', 'bulk_refresh'); function ...
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1answer
75 views

new_to_publish fires multiple times

i have been trying to use draft_to_publish & new_to_publish to create an update when ever a post of a specific type (cpt) is published... it works but published 600+ times instead of one time! ...
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1answer
484 views

Problem only while using require_once() within functions.php

I use add_theme_page() within my child theme's functions.php implemented something like this... // other functions located here that create a custom options page in the Dashboard. // THIS IS NOT A ...
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2answers
174 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 : ...
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1answer
100 views

What filter should I use to insert a button inside on Media>Add New

I am adding a new way to upload a media file to WordPress. So I am looking for a way to add a link or a button to the Upload New Media page. What is the recommended filter? Or is there another better ...
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2answers
99 views

remove_action conditionally for Custom Post Type

By default, my theme is showing an author box below my posts. I am using a custom post type, and would like to remove this author box only on this post type. Here is how the theme is calling the ...
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1answer
64 views

How to hook some Unicode texts into calendar widget safely?

I collected a good numerals replacing function for WordPress calendar: function make_bangla_number($str) { $engNumber = array('0','1','2','3','4','5','6','7','8','9'); $bangNumber = ...
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1answer
41 views

Inserting above the comment template

I want to insert content, just above the comment template.I have tried all the word-press filters and hooks but failed. I want to insert the content above the comment template, I mean above all ...
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1answer
137 views

Determine plugin name from within plugin_action_links filter

Is there any way to determine what plugin the plugin_action_links filter is addressing when it processes the filter? I'm trying to add some actions for each plugin on the /wp-admin/plugins.php page. ...
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2answers
263 views

Passing values from a widget to a function within a plugin

I have a plugin that is built with many widgets. A widget's bundle. Each widget creates it's own custom CSS code. Instead of having messy source code where I display 15 different sets of inline CSS ...
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2answers
403 views

How to pass arguments to add_action() [duplicate]

I declared an action for a single event in Wordpress which accepts an array as an argument: $asins = array(); //I had to declare this since I'm getting a notice of undefined variable if I don't ...
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1answer
293 views

Post Content, Special Characters and Filters

I added a hook to the_content. add_filter('the_content', 'edit_the_content'); function edit_the_content($content){ return $content; } Pretty simple right? However, when it output $content from ...
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1answer
107 views

admin_notices after register_uninstall / deactivate_hook

I've successfully added admin notices to display on register_activation_hook, and when the plugin updates, but I'm not seeing any way to display admin_notices after the uninstall or deactivation ...
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2answers
131 views

ajax, right way to do it and make it works?

I'm new to wordpress but have knowledge in php and javascript. I read a lot of blogs about ajax call in wordpress. I also read some posts on this forum. However, I still have some difficulties making ...
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2answers
455 views

gform_after_submission content appears immediately after <body>, not in post body

I have the following function that successfully uses form fields (IDs 13 and 18) from a Gravity Form (ID 18) as parameters within wp_query. This displays a list of posts with specific taxonomy terms ...
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2answers
294 views

Hook before inserting user into database

I'm working on airsoft website using woocommerce. One of my client's needs is to prevent a user to register if his name or mail is in a blacklist (I don't know yet if I'll use a csv file, a json or a ...
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1answer
187 views

Detect type of post status transition

I have a function on my site that it supposed to run when a new post is published (email push notification), with the exception of the same article updated (i.e publish_to_publish transition, I don't ...
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1answer
531 views

Hooking after get_header()

Does anyone know a good way to hook just after get_header() without hacking the theme? I know you can hook before the function loads header.php but I am trying to insert some HTML just after ...
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1answer
169 views

How to display a message about updates in the plugin list

I am trying to use the hook in_plugin_update_message in order to display a one line message below the name of my plugin in the admin plugin list section. However, the function called in the hook does ...
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1answer
82 views

Create hooks based on an array of hook names?

I have this idea where I would create a class that would take in a set of hook names then create them, for me to use when ever, and where ever. Currently the way to create a hook is we do something ...
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3answers
360 views

How can I filter blog name?

I want to filter the blog's name for Google's user agents. I have tried the_title, the_content, comment_text, single_post_title, wp_title, category_description, bloginfo hooks, but none of them ...
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1answer
94 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 ...
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1answer
479 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'); ...
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1answer
681 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. ...
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2answers
344 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) ...
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1answer
257 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 ...
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1answer
231 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 ...
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1answer
553 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, ...
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1answer
321 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 ...
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1answer
923 views

Wordpress Delete hook with wp_delete_post function?

I have this action/hook: add_action( 'before_delete_post', 'my_delete_function' ); function my_delete_function($post_id) { global $wpdb; $achievement = get_the_category($post_id); $h = ...
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1answer
634 views

Is it possible to Hook/Filters Attachment Creation?

Is it possible to hook or filter the attachment creation process? More specifically is it possible to hook into the attachment creation so that I may parse the attachment’s filename, populate the ...
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1answer
267 views

Need to check is_archive during init

I need to check if a page is an archive or not, before my plugin does some URI manipulations. These manipulations only work before wp but if I perform them first and then check is_archive, the check ...
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1answer
416 views

Pass variable to hook. Its possible?

I have this hook created to retrieve user password when he register or update his pass. I dont want my client to touch wordpress core so i was planning to use a hook in wp-includes/user.php All this ...
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2answers
390 views

Hooking in to replace the Sidebar/Widget areas

The Goal: To replace the sidebar on all sites across my network with content loaded from a plugin, across all themes. I need a way of over-riding the sidebar/main widget area on all sites across my ...
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2answers
304 views

How to get all of the activate_plugin action parameters?

I am trying to hook into activate_plugin. I know that activate_plugin has 1 required param and 2 optional ones. I am trying to acquire all 3. Here's my setup: // create plugin settings menu ...
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2answers
842 views

From what hook on is it possible to conditionally add actions?

I tried to have a siderbar registered at the "init" hook based on a variable from the theme options array indicating whether the sidebar should be used in the design. Now it appears that that the ...
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1answer
253 views

Executing Arbitrary Code at a Specific URL without Creating a Post or Page?

I am trying to figure out which hooks I can tie into in order to read the incoming URL prior to the query actually being run. A quick look tells me maybe wp_loaded or posts_selection would be good ...
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2answers
87 views

Modifying the comments section through a plugin regardless of theme

I need to be able to add some data (text/images) to each comment in the comments section through a plugin. What I'm trying to do is actually very similar to the way the stack exchange sites have their ...
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1answer
22 views

Filter Posts from the Main Query

I want to conditionally merge a custom post type with my posts post type, based on a custom field. If the field's value is 1, then I want I need those custom posts to appear in the same loop as posts ...
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2answers
65 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 = ...
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0answers
68 views

How to set a custom path, for ajax image upload folder in admin?

I am coding my first Wordpress plugin that handles some data for a custom (shop-like) post type. It also has an image uploader within a metabox, where you simply drag in your images and it ...
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1answer
19 views

How to modify how the_content outputs a link to an internal page

I like the default add link dialog in the wordpress editor. IT allows for easy linking to internal pages. I need to modify the output of those internal links. Right now its outputting: <a ...
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1answer
20 views

Howto check version of another plugin and then add a submenu page to it

i'm writing a plugin which requires another plugin. So i have to check first if the other plugin exists in a correct version. If yes i want to add a submenu page to the plugin page but here my code ...
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1answer
21 views

how to customize rss feed tags using hooks?

My RSS feed is displaying an XML tag which I either want removed, or emptied. The tag in the XML looks like so: <wfw:commentRss>remove/this/uri</wfw:commentRss> I have never used hooks ...
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2answers
96 views

Hook to generate a dynamic sitemap with “All in One SEO Pack” Plugin

Besides the urls of posts, pages and categories, I need my site's sitemap to include the urls of various pages that display data coming from an external source other than the WP database (Rails API). ...
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1answer
88 views

Move excerpt meta box to above content editor

I found a WordPress hook called "edit_form_after_title" to add a text box after the title. How can I use this hook to display the excerpt after the title while creating a new post?
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2answers
94 views

How to filter backend post list showing only posts having a shortcode

I need to filter the Posts and Pages tables in the Admin panel by certain shortcodes. In my plugin, I have added a column for shortcodes to the Posts and Pages views that works like the "Categories" ...
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0answers
68 views

How can I register a hook for all Custom Post Types that are published?

I'm developing a plugin. I want that when every Custom Post Type is published, a hook is called (where I send an email notification to the administrator). I know I can use: ...
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1answer
72 views

Filtering the post list in the admin area

How can I filter my custom post type like it's filtered by WordPress itself? By that I mean the links that allow you to show only published, private or trashed posts. I need it because I want to ...