Method by which plugins and themes extend core WordPress functionality.

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1
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1answer
752 views

Filter all html output

I would like to make sure no email address is published in plain. So i developed a plugin that replace all email addresses by a spambot-safe alternative. But some users put their email address in ...
2
votes
2answers
911 views

Is it possible to enqueue a script from a widget method (of extended WP_Widget object)?

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 ...
0
votes
2answers
4k views

How to use a WooCommerce action hook?

I am wondering how you would implement the following hook. do_action( 'woocommerce_process_product_meta_' . $product_type, $post_id ); What is the correct way to call a call the action from a ...
1
vote
0answers
80 views

Can I hook into wp_update_core outside of the admin?

I'm trying to bring some of the admin functionality to a custom front end in WordPress. Questions of security and pragmatism of this aside, is there an available hook to trigger wp_update_core outside ...
0
votes
1answer
303 views

How to change database values on theme update

I have a theme released into the wild but have not prefixed the post type appropriately. Yes, I know, it's a shame and I regret it :( So, I am currently using acme as the post type name, but I' like ...
1
vote
1answer
316 views

Which action does wp_update_user triggers?

I am working modifying an ecommerce plugin, and it makes uses of wp_update_user() function, and everytime the function runs another table (created by the plugin), gets updated too. The problem is that ...
0
votes
1answer
725 views

hook for lostpassword form

Im trying to add captcha to my remember lost password form: I've added the input with the lostpassword_form hook and is ok. now in the processing I need to add a error when captcha is invalid: ...
3
votes
2answers
389 views

Which hook should be used to validate custom form fields on the login form?

I've added a custom input field with login_form hook. So, I need to process the post data to validate. I've used the lostpassword_post for lostpassword_form and works great, but I cant find a hook to ...
1
vote
3answers
717 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
1answer
38 views

Is there any way to allow a plugin to write over a previous version?

When installing a plugin, it will not install if the directory to which it is attempting to install already exists. This means that users of our plugin must first manually deactivate and delete the ...
1
vote
1answer
895 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 ...
4
votes
1answer
113 views

How Do I Load My Action Earlier Enough?

With add_action, I want to intercept as early as I can in my plugin and send a 304 Not Modified header per some rules. Does anyone know what the order is of events? When I view this page, it seems to ...
1
vote
1answer
521 views

Add custom column in custom post type edit page

I am using the Content Scheduler plugin to control the post expire. The plugin will add a expiry date column on the wp-admin/edit.php in page and post. However it doesn't show in custom post type page ...
9
votes
2answers
3k views

Why do some hooks not work inside class context?

I'm pretty stumped on this one. I'm using add_action inside my plugin class to do certain things- add scripts & styles to the head, wp_ajax, etc. Here's the actions, in the __construct: function ...
0
votes
3answers
939 views

How to get post ID with hooks publish_post, new_to_publish, etc

I have two plugins, one uses the function wp_insert_post(), the other has a code like this: add_action('future_to_publish', 'myFunc', 10, 1); add_action('new_to_publish', 'myFunc', 10, 1); ...
12
votes
3answers
2k views

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 ...
0
votes
1answer
231 views

Turning on output buffering in a wordpress plugin

My wordpress plugin uses sessions for handling various things, and on the production site I'm testing it on output buffering is not on by default so I'm getting a lot of messages such as these: ...
0
votes
1answer
968 views

get_current_screen and the WP_Screen class

So I'm trying to figure out how to properly use the get_current_screen. For learning sake, I'm just popping an alert for a specific page. I've looked at ...
0
votes
1answer
269 views

How can I modify the header of RSS feed items?

Specifically I would like to change the value of <dc:creator> in the feed items. In order to display the site name instead of the post author. I'm able to hook into the_title_rss , ...
0
votes
1answer
116 views

Bug: Post needs to be updated twice when adding action for save_post hook

My function does exactly what I want it to do: I'm trying to add/update meta fields in another post type when an "events" post is saved. Except the post needs to be updated twice for the information ...
1
vote
3answers
463 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 ...
3
votes
1answer
654 views

Want to redirect if search query match exact title of any post

I am using WordPress 3.3.1 and new to this system. I want to redirect the search query to the post if query exactly matches post title of some post. I also want it to run before any search query ...
6
votes
1answer
858 views

Whats worth using add_action when we can simply use add_filter?

I've just looked into wordpress code and found this definition of add_action: function add_action($tag, $function_to_add, $priority = 10, $accepted_args = 1) { return add_filter($tag, ...
3
votes
1answer
184 views

How should I intercept the main query and inject custom join / order by / group by criteria

I have a CPT that is a member of two separate taxonomies. On the taxonomy archive page for one of the taxonomies, I need to further group and sort on the second taxonomy like so: ...
4
votes
1answer
299 views

How do I flush the rules after saving settings using the Settings API?

I'm using the Settings API to allow the user to toggle the has_archive option on some custom post types. When the user turns archives on or off, I want to flush the rewrite rules. If I had written ...
2
votes
1answer
2k views

How can I remove “Proudly powered by WordPress” from twentyeleven without modifying footer.php?

How can I remove "Proudly powered by WordPress" from twentyeleven without modifying footer.php, and without creating a child theme? I'm looking for a php command, such as add_action, remove_action, ...
2
votes
1answer
2k views

why doesnt is_home() work in functions.php

I'm pulling in scripts.php through functions.php. this is in scripts.php but for some reason, wordpress isn't recognizing is_home(). i've tried resetting the query, but to no avail. Am I hooking into ...
1
vote
1answer
186 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 ...
0
votes
1answer
331 views

Changing the text of Upload/Insert on Posts and Pages Screen

In wp-admin/includes/media.php I found this: function media_buttons($editor_id = 'content') { $context = apply_filters('media_buttons_context', __('Upload/Insert %s')); $img = '<img ...
2
votes
1answer
416 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 ...
0
votes
2answers
420 views

Unhook the comment form in Buddypress

Im trying unhook the comment form found in the functions.php of the deafault buddypress theme so I can change it a bit. I placed this piece of code into my child theme functions.php but it didn't ...
0
votes
1answer
80 views

Remove iPhone detection on login page

I have a wordpress site with a customized login page, the problem is when I go to that page on my iPhone, it detects it as an iPhone and adds the viewport meta tag, which normally would be great but ...
2
votes
1answer
1k 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
2answers
701 views

action lifecycle

I'm looking for a documentation page where wordpress action lifecycle is explained. Does it exist? I can't understand if init is called before admin_head or viceversa (even if the name is ...
2
votes
2answers
685 views

Wordpress Admin Tooltip hooks

I want to know if there is a way to use Wordpress Adminitration Tooltips (de gray and blue ones) that are shown one you update your worpdress (3.x). Showing the new features. Thanks!
24
votes
1answer
6k 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 ...
-1
votes
1answer
1k views

NextGEN Gallery: Adding drop-down menu widget to gallery view without modifying plugin code [closed]

In NextGEN Gallery, I am able to add a dropdown menu that lets users filter a gallery to only show images that are tagged with a specific ngg_tag, simply by adding this to view/gallery.php in the ...
0
votes
2answers
229 views

How to deactivate my plugin upon deactivation of NextGen

i'm writing this plugin and i need to deactivate it when NextGen is deactivated: <?php /* Plugin Name: Plugin Name Description: Description Version: 1.0 Author: Author Author URI: Author URI */ ...
0
votes
1answer
1k views

Hooking custom PHP output into WP: how to do it, parse_request almost works but not quite

I'm new to wordpress, so chances are I'm missing something pretty basic here. I'm trying to write a plugin which uses custom PHP code to generate output. I managed to get this working on the ...
0
votes
1answer
136 views

Where should I hook into admin?

Where should I hook into the admin backend to check and see if the user is "active" as defined by the Membership Plugin. Or in other words, where can I hook into the WP admin header to check an ...
2
votes
1answer
209 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 ...
0
votes
1answer
2k views

add_action hook for publish_post not working

I can't get my function to trigger on post update or save. I've found a couple of other forum posts around with the same problem, but never an answer :( My code is as simple as: function ...
3
votes
3answers
3k 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?
2
votes
1answer
279 views

Change WordPress RSS link with filter?

In my theme i use add_theme_support( 'automatic-feed-links' ); to enable the rss links. But i want to create an option to use Feedburner for the main rss feed, my problem is that i don't know how i ...
2
votes
1answer
316 views

Post-Registration, post-meta hook?

Is there a hook in WP to access meta data of a user JUST after they have registered and meta data has been added to the database? I was reading to use profile_update, but wouldn't that be invoked ...
0
votes
1answer
95 views

Distinguish between different widgets of the same type

I'm playing a little with wordpress widgets and I trying to do something like this: I created a sidebar and a widget to display a slider with latest posts. The jQuery loader is something like this: ...
4
votes
2answers
583 views

Is there a hook to put stylesheet and/or JS inside iframes (thickbox or tinyMCE) in admin area

I'm working on my admin area theme and I wanted to make some modifications on the way the thickbox and tinyMCE looks. I could make most of the changes through adding custom stylesheets and JS to my ...
0
votes
1answer
259 views

Why does hook priority affects admin menu permission error?

On this answer, there was this final comment For future readers, Roland's issue was a hook priority issue. Changing priority from 10 to 11 fixed it in his case The answer seems already closed, ...
0
votes
1answer
74 views

Change Title Type

I'd like to change the title field of a post in admin panel. I'd like this field was "textarea" instead of being "input type='text'". Would it be possible through any hook in functions.php? Thanks ...
2
votes
2answers
3k 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 ...