Method by which plugins and themes extend core WordPress functionality.

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10
votes
3answers
7k views

How to enqueue scripts on custom post add/edit pages?

I'm trying to enqueue a JS script only when someone is adding or editing a custom post type I created called "recipes". Currently the script works ok when I do this: if (is_admin()){ ...
5
votes
1answer
3k 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 ...
0
votes
2answers
1k views

Giving the_excerpt in the place of the_content?

Short and sweet — I wanted to deliver up the excerpt of a post in the place of the_content on certain pages. Naturally, if no excerpt is present one would be generated from the content. I ...
6
votes
2answers
2k 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 ...
0
votes
1answer
1k views

Filter or Hook to catch pre-rendering of post content

Is there a filter or hook that is triggered just before post content is rendered? What I'd like to do is to apply a filter to the text content of a post just before the post text is being rendered.
0
votes
2answers
563 views

Action hook for new pending posts?

I'm looking for an action hook to link my function to when a completely new post is created with a status of pending? I'm aware of 'save_post' and others but want to target specifically when a post ...
0
votes
1answer
244 views

Post via wp-admin and via iOS app, same hooks and triggers involved?

I've got an add_action in functions.php, the action is for save_post and the function I'm running I've named set_attachment_url. I'm simply getting the first attachment on a post and setting a custom ...
6
votes
2answers
1k views

Extract image from content and set it as the featured image

The problem: I'm posting from the Wordpress iPhone app. When adding an image, the image shows up in the description itself, which I don't like. What I'm trying to do: Remove the image from the ...
1
vote
1answer
187 views

Send along login credentials with comment content

I'd like to allow my users to send their WordPress login credentials along with their comment, as opposed to having to log in first, and then post their comment. I'm not really sure where to hook into ...
29
votes
1answer
7k 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 ...
3
votes
2answers
267 views

Identify which loop you are hooking into; primary or secondary?

What is the most efficient way to determine which loop I'm in? I have a few plugins that alter the query by hooking into various parts of WP_Query::get_posts(), through the usual suspects, ie ...
8
votes
1answer
1k 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 ...
0
votes
1answer
214 views

Which hook to use when adding ajax to viewer-facing side?

I have a shortcode that contains a form. I want to use jQuery/Ajax for POSTing. For this, I want to add javascript to the page where shortcode is added? Which hook should I use? wp_enqueue_scripts ...
4
votes
4answers
3k views

Unregister post type from child theme

I'm trying to unregister a post type from a child theme but I haven't been able to do so, the code in the funcions.php file on the parent theme is something like this: add_action( 'init', ...
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} ...
0
votes
1answer
31 views

Plugin Hook When New Author Added

Is there a way to add a hook for a plugin when a new author is added by the administrator? I would like to be able to add that user to my plugin database table. Thank you.
1
vote
1answer
444 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 ...
0
votes
2answers
692 views

How do I override the search template in a plugin?

How do I override the search template i.e. used inside a theme with a custom search page inside a plugin? Please point our any relevant action/filter hooks which can be used to do this. Any help is ...
2
votes
2answers
3k views

Hook/action after WP_Query gets posts to query custom tables for post-related meta

I see that there are hooks for manipulating WP_Query before it gets its posts (parse_query, pre_get_posts), but I can't seem to find any hooks for after the WP_Query object is populated. I have a ...
0
votes
3answers
721 views

How to retrieve the postID in a “image_send_to_editor” hook function?

Here is my function: function insert_img_rel_attrib( $html, $id, $caption, $title, $align, $url ) { $postID = ??? $rel = "<a rel='shadowbox[".$postID."]'"; if ($url) {$html = ...
1
vote
1answer
560 views

Registration Hooks don't appear to be working

I am trying to hook in to automatically sign-in the user after registration. (using a GravityForms registration form). None of the hooks seem to be working. I've tried: gform_user_registered, ...
11
votes
5answers
3k 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 ...
0
votes
2answers
674 views

Change custom post type GUID in RSS

So i got the RSS feed which output some custom post types, but the GUID looks bad to me, it's like: ?post_type=mycustompost&p=124 The reason i want to change this is that I don't need people to ...
0
votes
1answer
437 views

How to display a link in the footer section

i'm using the BAAP Mobile version plugin and the footer link that switches between desktop and mobile version is being displayed outside of the wrapper>footer divs. Is there a hook or a method to have ...
7
votes
3answers
7k views

How to know what functions are hooked to an action/filter?

Is there a way to know what functions are hooked to a particular hook? For example if I'd like to know what functions are hooked to the wp_head hook.
1
vote
1answer
431 views

Hook any php file into the wordpress api

Say I just have a dumb .php file sitting on my WP server and I wanted it to access WP info through the API, how would I go about doing that? For example if I wanted to call bloginfo('url'); As I ...
5
votes
3answers
2k views

Changing Plugin Load Order

I'm writing a plugin, bar, which is dependent on another plugin, foo, being activated, and I need the functions from foo to be available when bar loads. Normally plugins are loaded in alphabetical ...
9
votes
2answers
9k 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 ...
1
vote
1answer
781 views

functions.php conditional tag - only show in single.php?

//Geo Map add_action( 'woo_post_inside_after', 'my_geo_mashup' ); function my_geo_mashup() { global $post; if ( in_category('listings') ) { echo GeoMashup::map(); } } Works to ...
0
votes
2answers
637 views

How to recover the post ID earlier in the WP admin hook action “firing” sequence?

I am creating a WP plugin based around Custom Post Types (CPT), where you can dynamically specify a CPT, complete with any number of associated dynamic Meta Boxes and form elements such as radio ...
0
votes
3answers
575 views

add_action hook for links.php page

What is the definite hook which identifies links.php page (add, edit, delete, etc. Blogroll Links), and only this page? Any help would be appreciated. Thanks, cadeyrn EDIT Sorry, I forgot to ...
0
votes
1answer
256 views

BuddyPress - A hook available to hide custom born date on public profile view?

I'm trying to hide some fields on public BuddyPress profiles, it is possible? Thanks in advance.
0
votes
1answer
183 views

Preset Widgets ONLY after site is initially created

I want to preset some widgets using functions included in my theme ONLY after a site is initially created (my theme is the default for all new sites in my instance of WordPress). I DO NOT want my ...
2
votes
2answers
651 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 ...
0
votes
3answers
768 views

What action hook can I use to add a JavaScript to a page post using a theme template that is not including get_header() nor get_footer()?

So the reason why I am don't want to include get_header() or get_footer() tags is because this page will be loaded as an iframe using the thickbox modal plugin and its content will be a form and I ...
3
votes
1answer
4k views

Difference between after_setup_theme and init action hooks?

What is the difference between the after_setup_theme and init action hooks? It seems they are both called right before any page in WordPress is loaded (even admin pages).
1
vote
2answers
514 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 ...
2
votes
1answer
2k views

Why is save_post hook not running?

I am trying to save my meta box, I have something like function xxx_meta_box_callback() { add_meta_box('xxx-meta', 'xxx Details', 'xxx_meta_box', 'xxx-post-type', 'side', 'default'); ...
1
vote
1answer
3k views

WordPress Hook for user register

how can I tell WordPress, that if a user registers, it shall execute my function?
0
votes
3answers
1k views

What hooks to hook onto for automatic cache clearing

I have a WP-site with not that many writes, but quite a few reads and a few specific hotspots in the templates that I'd like to cache pretty aggressively with my own PHP-caching mechanism. I could ...
0
votes
1answer
973 views

Adding custom Field To The Posts Listing

Are there plugins or hooks to editing custom fields just from the posts listing in admin panel?
0
votes
1answer
507 views

Hook for plugin to insert into entry-meta

pretty simple. I'm creating a plugin and I want to dynamically insert some text that will change every hour into the line that is directly below the title of a post (So filters are no good). It's the ...
0
votes
4answers
2k views

Remove Page Title from Static Frontpage

I'd like to remove the post title from my static frontpage. Just that page. I've created a child theme from a free Press75 theme. So I'd like to make this change in my child theme's function.php. I ...
3
votes
2answers
678 views

Seeking clarification on page request life-cycle

I'm just trying to get my head around the "life-cycle" of a typical page request in WordPress. The Action Reference page lists 38 actions that occur during a typical page load, but two things aren't ...
5
votes
3answers
4k 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 ...
3
votes
3answers
3k 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 ...
2
votes
1answer
2k views

hooks & filters and variables

I was updating the codex page example for action hooks, while playing around to get some reuseable functions done (originally for some Q over here @WA). But then i ran into a problem i wasn't aware of ...
3
votes
3answers
2k 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 ...
11
votes
1answer
7k 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!
1
vote
2answers
1k 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 ...