Method by which plugins and themes extend core WordPress functionality.

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3
votes
2answers
271 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
220 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
451 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
726 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
734 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
578 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
697 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
438 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 ...
9
votes
3answers
8k 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
437 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
792 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
646 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
585 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
258 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
664 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
806 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
536 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
989 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
516 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
3k 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
716 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 ...
6
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
4k 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
3k 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 ...
2
votes
2answers
4k views

Filter the URL of next_posts_link & previous_posts_link

I am working with the qTranslate plugin to create a multi-lingual website. The plugin does a great job of translation except for on the next_posts_link & previous_posts_link template tags. When ...
5
votes
5answers
784 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 ...
1
vote
3answers
303 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 ...
0
votes
2answers
847 views

Categories widget show empty?

Is there a way I can display all categories in the categories widget that comes with wordpress. I do not want to have to edit the core files and I want to stay away from rewriting the widget, but if ...
2
votes
1answer
2k 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
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 !
2
votes
1answer
1k views

How to change title attribute returned by comments_popup_link()?

I can change label of comments by altering Comment(s) from parameter of following function: comments_popup_link('No Comments;', '1 Comment;', '% Comments;'); But, seems that title attribute is ...
0
votes
1answer
628 views

Does admin_print_scripts-$hook_suffix work for nested paths to individual files?

Can the hook admin_print_scripts-$hook_suffix be used for a hook which has been created like $hookname = get_plugin_page_hookname("my-quiz/lib/admin/$code_page", '' );? .. where $code_page is ...
0
votes
1answer
266 views

How to add or delete default value theme options while activate and deactivate theme

I want to add & reset default value for my theme options while activate and deactivate a theme More clearly something like this if(theme active) add_option(); // add new option to the theme ...
1
vote
3answers
547 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 ...