The hooks tag has no wiki summary.
18
votes
1answer
3k views
Where is the right place to register/enqueue scripts & styles
I am using WordPress 3.1.4 by now. I am confused with where (which hook) do I use:
to register and/or enqueue
scripts and styles
on front- and back-ends?
Questions:
Which are right hooks to ...
21
votes
5answers
2k views
Where Can I Find a List of WordPress Hooks?
Where can I find a list of all the WordPress hooks and over-ridable functions (pluggable, scriptable, etc)?
Edit: Plugin is here: ...
6
votes
4answers
3k views
Theme Activate Hook
I would like to write a function to email me the URL of the website when my theme is activated.
What is the hook initiated when the theme is activated?
5
votes
1answer
4k views
how to limit search to post titles?
Is there a way to limit search to post titles? I know I can modify query.php core file but there must be a way to do it with hooks right?
Thanks in advance!
2
votes
1answer
776 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);
...
1
vote
1answer
183 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', $single ...
7
votes
1answer
1k views
Passing a parameter to filter and action functions
Is a way to pass my own parameters to the function in add_filter or add_action.
For example take a look in the following code:
function my_content($content, $my_param)
{
do something...
using ...
6
votes
4answers
1k views
How do you use a CPT as the default home page?
I have a client who's site will be making heavy use of custom post types to configure their site. But I'm between a rock and a hard place for their requested home page.
In reality, the home page ...
4
votes
2answers
3k views
How to hook update_post_meta and delete_post_meta?
I'm still struggling to get my head around this whole hooking into things, so I'm really stuck on trying to do the following task:
If update_post_meta is fired then check to see if the meta_key is ...
11
votes
3answers
1k views
Multisite: 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 ...
9
votes
5answers
1k views
How to include code only on specific pages?
I'm learning about plugins and shortcodes. I noticed that when I activate my plugin its code gets loaded on all of my pages-- even pages that don't have my shortcode. (I don't mean content vs. admin ...
1
vote
1answer
171 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 ...
1
vote
1answer
524 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 ...
8
votes
1answer
2k views
Difference Between Filter and Action Hooks?
I have been looking at the plugin API a bit more in depth recently and I was wondering what real differences there were between action and filter hooks. They both are events that receive data as a ...
4
votes
5answers
484 views
Implementing advanced add_* function wrappers
add_action() and add_filter() are major functions. However in some scenarios add one more function and hook it somewhere approach gets bulky and inconvenient.
I had determined for myself several use ...
7
votes
4answers
363 views
Hooking in to plugins
I'm working on a plugin that would ideally be able to do things when a user does something through a different plugin.
I can add custom hooks in those plugins but obviously this wouldn't work well ...
6
votes
2answers
570 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
2answers
723 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 ...
9
votes
3answers
1k views
get_template_part vs action hooks in themes
It seems to me both of these afford the opportunity for the end user to modify a theme without actually editing the themes files (via child themes).
My question is, is one method preferred over the ...
6
votes
4answers
5k views
Auto-retrieve YouTube Image for Thumbnail?
I have a custom post type that accepts a YouTube embed HTML snippet, title, and a featured image. Currently, I'm going and finding an image for the featured image, but ideally I would be able to ...
5
votes
3answers
1k views
Are there any hooks that alter the 404 logic?
Provided you have a 404 page defined in your theme, Wordpress will display a 404 page if "tag" is defined in $wp_query->query_vars, and there are no posts matching that tag.
I'm writing a plugin that ...
2
votes
1answer
1k views
Best Practices for Creating and Handling Forms with Plugins?
I'm writing a plugin that creates and handles a simple form. This has been my approach sofar, but it's turned out to have some major flaws:
1) On plugin activation, create a blank page for the form ...
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 ...
1
vote
2answers
1k views
How do I “unhook” / de-register jQuery so that it's not called as part of wp_footer();?
I need to "unhook" jQuery from my wp_footer() ... it's being called automatically and I'm looking for something I can add to functions.php which prevents it from being called a second time in the ...
3
votes
4answers
2k views
Is there a way to set default custom fields when creating a post?
When I'm creating a new post, just after clicking "Add New", when the post editor shows, instead of having to use the dropdown and choose a custom field to use, I'd like to have some default custom ...
2
votes
2answers
185 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
269 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
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
2answers
1k 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
1answer
1k 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
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 ...
1
vote
1answer
96 views
Alter image output in content
I'm trying to implement the JAIL javascript into my WordPress install. The javascript requires me to add a data-attribute and change the output html of images.
I have been looking through the codex ...
1
vote
3answers
1k views
Hooking a function onto the sidebar?
I'm looking for a way to add some content to the top of the sidebar when it get's loaded.
I've tried hooking onto the get_sidebar action as referenced here, but it seems to override the sidebar call ...
0
votes
1answer
380 views
How do I implement the Wordpress Iris picker into my plugin on the front-end?
This question here is asking the same question as I am, but there were no adequate answers nor a selected correct answer so I am asking again hoping if I ask in a more coherent manner I might get a ...
0
votes
1answer
236 views
run script on publish
I am trying to run a script when a user publishes / updates a post.
I am using the filter: wp_insert_post_data
The problem I am having is the script is a php file outside of WordPress but on the ...
5
votes
3answers
3k views
Calling a Function After New Post Creation for a WordPress Custom Post Type?
Assume I created a new post type 'product'. Is there a way to perform a function (user created) when this new 'product' post has been created?
4
votes
4answers
112 views
Is there a limit to hook priority?
When I wish my filter or action hook to override all others, I will assign it a priority of 999. However, lately I have been seeing some people use extreme values for the priority, such as 20000, and ...
4
votes
1answer
392 views
Registering Class methods as hook callbacks
I'm not sure if I have done this correctly.
As I understand it:
if I have a class foo and a static method bar I can register that as the callback by passing the array array("foo","bar") as the ...
3
votes
1answer
180 views
Is there a Wordpress core & plugins update action hook?
I would like to run several actions on a website once WP core or any of the plugins have been updated using the built-in update process. Is there a way to do it?
I would prefer if I could run ...
3
votes
1answer
3k views
Is there a way to send HTML formatted emails with Wordpress' wp_mail function?
Is there an action_hook or something similar that could help me achieve this?
I tried adding markup in a PHP string variable and just fired off an email with the wp_mail function like so:
$email_to ...
3
votes
2answers
815 views
Earliest hook to reliably get $post/$posts
What's the earliest possible action I can hook into where I'll be able to access the global $post/$posts variables on both the front and back ends? I've tried looking through the Codex reference, Adam ...
2
votes
2answers
478 views
specify meta_key / meta_value condition for prev_post_link and next_post_link
I've got a custom post type (CPT) called event. Every event has got an associated meta_key called event_date.
I want to make sure that events with empty event_date won't appear in my list of all ...
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
1answer
693 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 ...
1
vote
1answer
38 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 ...
1
vote
2answers
60 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
1answer
70 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 ...
1
vote
2answers
307 views
Enqueue script from widget method (of extended WP_widget object) possible? (slightly different from other variations of this question)
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 ...
1
vote
1answer
109 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
3answers
1k views
How to hook wp_list_pages?
How can I hook the wp_list_pages function so that it reads a value of a custom field and displays it instead of displaying the page title?
