Method by which plugins and themes extend core WordPress functionality.

learn more… | top users | synonyms

2
votes
1answer
187 views

Hook to edit an column on comments screen?

At the moment I'm doing add_filter("manage_edit-comments_columns", function($columns) { unset($columns["author"]); $columns_one = array_slice($columns,0,1); $columns_two = ...
2
votes
1answer
304 views

publish_post plugin hook doesn't always pass $post->post_content

I've written a simple plugin that grabs the contents of a post, as the post is published, and sends them to an external site for archiving. This generally works but when dealing with posts that ...
2
votes
1answer
761 views

Post thumbnail relative link and HTML modify

I want to remove the website url from all the_post_thumbnail() so they become relative and remove/add attributes from the output. So far I got the following code added to functions.php of the theme, ...
2
votes
0answers
37 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 ...
2
votes
0answers
124 views

Featured image upload finished hook

I'm looking for a way to hook into the process of uploading a featured image. Ideally I would want to be able to do some stuff right when the upload has finished, before the thumbnails are generated. ...
2
votes
1answer
319 views

Problem using role_has_cap hook

I'm trying to filter a capability check in order to work around the lack of filters to customize the user edit page in the admin area. But I can't seem to add filters to a hook, and I'm sure I'm ...
2
votes
1answer
301 views

How can I customize the upload error message in Wordpress?

After following the guide for How can I prevent uploading bmp image? to remove bmp (and in my case tiff images) from being uploaded, I tested and it is working, but noticed users are now getting the ...
2
votes
1answer
64 views

Hooks for Links Box [duplicate]

Possible Duplicate: Getting archive pages in WP's AJAX internal link finder? Are there any hooks for the new internal links box that was created in WP 3.1? I'm trying to modify it in my ...
1
vote
3answers
465 views

Insert all post IDs in new database table

I have a plugin which creates a new database table. Upon activating the plugin is there a way to insert all my posts ids into that table? Right now I'm using an action hook to immediately insert the ...
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 ...
1
vote
1answer
4k views

WordPress Hook for user register

how can I tell WordPress, that if a user registers, it shall execute my function?
1
vote
3answers
104 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 ...
1
vote
3answers
3k views

What can I hook into after_setup_theme?

I'm wondering what can I or should I NOT hook to after_setup_theme? I'm wondering because I have been told that I shouldn't hook wp_enqueue_style to it, but I have seen other places using it to hook ...
1
vote
3answers
540 views

Why doesn't wp_enqueue_script() work when including a JavaScript file with TEMPLATEPATH?

I am trying to use tips from here to add my JS file. I put the following in the functions.php of atahualpa theme I've got installed function lektor_init() { if (true) { ...
1
vote
2answers
2k views

Disable HTML (Text) Tab in Post Editor

I am attempting to disable the Text tab in the post editor but not having any luck. The first thing I want to do is set the Visual editor to be the default but this code does not work (it is being ...
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 ...
1
vote
2answers
4k 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
3answers
597 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 ...
1
vote
2answers
2k views

What hook should be used to programmatically create a post only when master post is updated?

Pippin and Jean-Baptiste Jung have very good tutorials on how to programmatically create content when a new post is published using these four actions hooks... publish{post_type} ...
1
vote
3answers
2k views

How to get url of a post from admin panel

I want to get post url from the back end edit post page, the edit post url is : www.ddd.com/wp-admin/post.php?post=1&action=edit the real post is: www.ddd.com/wp/?p=1 since the user can edit ...
1
vote
2answers
6k views

Hook 'wp_enqueue_scripts' priority has no effect

In a theme I am working there are up to 3 Stylesheets. I am using the hook 'wp_enqueue_scripts'. The order of the stylesheets is important for overwriting styles. I have a code like this: ...
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?
1
vote
1answer
5k 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
237 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 ...
1
vote
2answers
206 views

Yoast SEO hooks overriding themselves

I have some dynamic templates where I have to customize the canonical links. According to Yoast documentation the hook to use is wpseo_canonical I have two functions pointing to different pages ...
1
vote
3answers
129 views

What are the benefit in adding hook in the init() hook?

I see a lot of plugins using this approach to add a new hook, e.g. add_action('init', function() { add_action('SOME_LATER_HOOK', xxx); add_filter('SOME_LATER_FILTER', yyy); }); Why they don't ...
1
vote
2answers
459 views

Check if do_action('custom_action') is hooked into?

Is there a way to check if a custom hook gets called upon? I would like to display a placeholder if no output will be passed to it.
1
vote
2answers
4k views

How to show an error message after publishing a post?

I'm using the transition_post_status hook to perform some operations after publishing a post. In some conditions I would like to show an error message in a red box under "Edit Post" and above "Post ...
1
vote
2answers
133 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: ...
1
vote
2answers
805 views

What are ideal hooks to call register_sidebars?

Where should a plugin ideally hook to call register_sidebar();? Will init do just fine? function my_plugin_register_sidebars() { $args = array( 'name' => 'foo' 'description' ...
1
vote
3answers
1k 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
2answers
4k views

Hook to get image filename when it is uploaded

I want to get the full local filename of an uploaded image so that I can copy it to a new directory and process it with my own image processing scripts. Which hooks/actions should I look into to ...
1
vote
1answer
79 views

Wordpress hook that gets featured image from direct URL?

I use a lot of plugins on my site so I'm trying to minimize the amount more plugins. I was wondering if there's a wordpress hook I can use so that I can use an image that is hosted on imageshack and ...
1
vote
1answer
35 views

WooCommerce add_action hook results in 500 error

I am trying to add a line of text on the checkout page of the store that will go immediately after shipping row. I added the following to my child theme functions.php file: add_action( ...
1
vote
3answers
139 views

On which hook should I be calling register_nav_menu(s)?

I've variously seen register_nav_menus() called: on after_setup_theme on init pasted "loose" into functions.php with no apparent change in functionality. Which hook should I be using to call this ...
1
vote
1answer
88 views

Cast string to number

Actually, I am using pre_get_posts hook with these configure $metaquery = array( 'relation' => 'OR', array( 'key' => 'price', ...
1
vote
1answer
977 views

Why does wp_enqueue_style() in plugin not load stylesheet?

I'm trying to load a custom stylesheet (for the front-end, not admin area) via plugin. As near as I can tell, I'm doing things the way the Codex says is correct, but my CSS doesn't get loaded. This ...
1
vote
1answer
138 views

Are posts updated or built from revisions + autosaves?

When editing a post in the admin I see records being added to the database to document my changes (here is part of the hooks I'm logging): ... http://local.dev/151-autosave-v1/ clean_post_cache ...
1
vote
2answers
951 views

Registration and Profile custom field

How to add custom field in wordpress registration form and view it in user profile in the backend? I've already google it but just find how to add it in user profile but not in registration process.
1
vote
2answers
3k views

Reposition Woocommerce Message

I'm trying to reposition the messages in my Woocommerce theme. For example the successfully added to cart message. They appear to automatically be placed at the very top of where the woocommerce ...
1
vote
1answer
2k views

Wordpress: Apply filter/hook to a particular sidebar widgets?

I'm developing a theme that has more than 5 different sidebars and I want to apply a function to a particular one of them for styling purposes. Basically, the function will modify it's params using a ...
1
vote
2answers
90 views

Same Conditionals Not Working on Two Different Hooks

Everyone! I am new to WP and trying to build a plugin. I have the following codes working properly: add_filter('the_content', 'say_hello'); function say_hello($content){ if(is_single() || ...
1
vote
1answer
476 views

Hook up MU site creation

I want to write a plugin so I can hook up the wp_install_defaults function. I actually need to do the following: when a new site is created, I want to import a default XML file with some categories ...
1
vote
2answers
2k views

post meta data clearing on autosave

For starters I am using this GREAT answer to achieve custom post types as well as a custom way to insert those post types into other pages, you can view that answer here: Custom field/meta populated ...
1
vote
3answers
305 views

How to find hooks as per Just-In-Time approach?

How can I follow Just-In-Time approach in hooking up my function to an action? I mean everybody just attach the functions to a very early stage like init which leaves the scope of optimisation. I saw ...
1
vote
2answers
2k views

Is there an “Add Page” hook?

I'm looking for the action hook corresponding to the click on the "Add page" link. Any idea? Thanks !
1
vote
3answers
569 views

Good tools for locating hooks in a wordpress page/admin interface/blog post?

I've recently started using the Hikari Hooks plugin for Wordpress as it seems to allow you to get a good idea of what do_actions are being called on the page, so that you can easily find out where ...
1
vote
1answer
499 views

A good way to add a different background image for each page?

I'm working an a Thematic child theme wherein I need to have a unique image decorating each of the site's main pages, from a pre-defined set of permanent images. It would also be ideal to have one of ...
1
vote
3answers
12k views

Remove title attribute from images

I'm looking for a way to remove the title attribute from images, preferably through using a hook or a filter. Most clients don't bother giving images a proper title, thus eliminating the purpose of ...
1
vote
1answer
10 views

What function to hook for changes made in status and visibility of a post

I have a function to run every time a post is published or updated in anyway. Right now I am doing function myFunction(){ //Do Something } add_filter('publish_post','myFunction'); ...