Method by which plugins and themes extend core WordPress functionality.

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13
votes
2answers
1k views

How do filters and hooks really work in PHP

How does filters and hooks actually work in WordPress? I'm asking about something advanced. How is it implemented in PHP? E.g how does it collect all the hooks from the different plugins and "attach" ...
0
votes
1answer
33 views

Prevent plug-in scripts on a specific template?

I have a plug-in which is interfering with my Google Map Embed in the template I'm using for my about page. Is there a way to prevent that plug-in from hooking in all of it's script files through ...
0
votes
0answers
52 views

How to handle change the appearance of 'categories' box on dashboard?

I have a site with hundreds of categories, and when I come to edit some menu on wp-admin/nav-menus.php it is really difficult, because in the categories box there a few pages, with something like 20 ...
0
votes
1answer
299 views

Capture post content before page renders

I'm trying to mesh Mustache Templating Engine with WordPress. So far, I have been very successful using the_content as a filter to parse my template tags e.g. {{ something }}. However, if let’s say, ...
0
votes
1answer
240 views

Hooking get_posts()

On a site this is a plugin that uses get_posts() to make a list of pages. The list is used to create a list of pages and create next page and previous page links. ( ...
-1
votes
2answers
682 views

Hook with jquery script is not working in wp-admin [closed]

This is the hook and script Im using, the jquery script itself is working as you can see in this fiddle: function my_custom_admin_footer(){ echo ' <script ...
1
vote
2answers
99 views

How to center oEmbedded content

I understand you have to paste the link that you're embedding without any code wrapping around it, but how do I force the embedded content to be centered? Currently, the default is aligning to the ...
0
votes
2answers
2k views

using wp_footer hook in a plugin

I'm using the wp_footer hook into the plugin and it doesn't work, but when I copy the code to the "functions.php" file of the active theme it does work, what is the possible problem in this situation ...
2
votes
1answer
3k views

Custom Blog Post Listing in Genesis Sample Child Theme

I want to add several images and divs and also customize the look of my Blog post listing... But i can't find the way to do it. Here's the Blog Template code <?php /* WARNING: This file is ...
1
vote
1answer
280 views

admin_notices after register_uninstall / deactivate_hook

I've successfully added admin notices to display on register_activation_hook, and when the plugin updates, but I'm not seeing any way to display admin_notices after the uninstall or deactivation ...
0
votes
1answer
285 views

Flipping Book PHP Code? Any experience?

Hi there guys quick question, using FlippingBook and calling a gallery within a page or post is with something like this: [book id='1' /] but I want to call the gallery directly from my code, so is ...
3
votes
2answers
1k views

How to create notification on frontend using heartbeat api for multiple custom post types

How can I get correct action hook on publish_posts for multiple custom types ? I have a following problem, I can use this hook for posts or single custom post_type, but I don't know correct hook for ...
0
votes
1answer
867 views

contact form 7 :create shortcode usable in email message [closed]

i have this (test ) function that adds a redirection bouton function bouton($atts, $content = null) { extract(shortcode_atts(array( 'lien' => '#', 'couleur' ...
1
vote
1answer
514 views

How do I successfully create a hook for an email override?

I'm creating an online apartment rental application using Visual Form Builder Pro. I need to have completed forms go to certain managers based on the property selection. Once a user selects a ...
0
votes
1answer
133 views

How to conditionally add a widget via a hook in functions.php

I'm trying to add some widget areas to the homepage only using functions.php - so that the client won't be able to accidentally destroy shortcode when editing the page. I've registered the widget ...
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
1answer
359 views

How can I replace an oEmbed URL in post with actual embed HTML

What I want is to get the output of the Twitter oEmbed system into my actual posts. IMHO the embed output itself is high-quality, semantic HTML and I'd rather have it inside the post than in the embed ...
1
vote
2answers
174 views

ajax, right way to do it and make it works?

I'm new to wordpress but have knowledge in php and javascript. I read a lot of blogs about ajax call in wordpress. I also read some posts on this forum. However, I still have some difficulties making ...
0
votes
1answer
93 views

What filter or action to replace comments or add new comment system

I am looking to make a plugin for my site, which either replaces the current comments in a post or adds an additional comment system. I am getting the comments from a custom RSS feed from my forum ...
0
votes
0answers
89 views

Conditionally enable autoplay when using oEmbed in a custom widget

I'd like to have all oEmbed urls (youtube, vimeo, soundcloud, etc.) behave as they usually behave, with one exception. In my theme I've created a widget that gets data from a given post. The post ...
0
votes
1answer
47 views

Does update_comment_meta hook exists?

Its been 3 days now I am fighting to resolve the issue here: An action hook where a comment meta is updated I am pretty sure, even if I am a beginner, that the hook update_comment_meta doesnt ...
0
votes
1answer
150 views

An action hook where a comment meta is updated

By analogy to the hook on post meta update, I use the following code for hooking when comment meta value is updated. My comment meta key is "consider" and can have 2 values: 0 and 1. My Goal is to ...
1
vote
1answer
58 views

read more, even if excerpt not trimmed

I am using the excerpt field (Not the tag, because the excerpt also serves as a lead paragraph). I altered the "more"-link to be an arrow >. function fabs_excerpt_more( $more ) { return ' <a ...
1
vote
2answers
34 views

Is it possible to add an action to the currently running action?

My question is very simple but I haven't found this answer yet. Here's an example: class MyClass { public function __construct(){ add_action('init', array($this, 'init')); ...
1
vote
1answer
538 views

Remove rewrite rules generated by plugin during deactivation‎

I have a simple plugin like the following add_action('generate_rewrite_rules', function ($wp_rewrite) { $wp_rewrite->rules = xxx + $wp_rewrite->rules; }); if (is_admin()) { ...
0
votes
1answer
69 views

why the same code got different results when using query_posts in functions.php and index.php

I am using WordPress 3.5, and my blog sites have many registered users. After they log in, I want them to see just their own posts, not others. So I added this to my functions.php, but I get a blank ...
0
votes
1answer
524 views

Hook in a sidebar widget and add some markup

I'm looking to hook into a sidebar widget, this one in particular loads the members. All I'm looking to do is add a link into the widget, I managed to get a result but it's not quite right. It ...
0
votes
2answers
903 views

!is_admin() condition turns true in admin pages

I need users to redirect to login if not logged and once they are, redirect them to backend if they try to see front end pages. This is my code: add_action( 'template_redirect', function () { ...
0
votes
2answers
284 views

after_setup_theme is called three times

Trying to find an issue with my theme that is not related with this question, I've started the debugger and enabled a breakpoint to the first line of a function hooked to after_setup_theme. Here I've ...
2
votes
2answers
654 views

Add site options UI in Multisite Sites > Infos page

I want to add meta fields for the sites in my network (such as a thumbnail and a category). I know how to do this using get/add/update_site_option, but I'm wondering where I could put the UI to manage ...
0
votes
0answers
3k views

Displaying list of cities according to the selected state. Using the WordPress hook

I come to ask the community a help of a simple hook on WordPress. I'm trying to display a list of states and cities in two dropdows to select a single option in the a form. The list of cities will be ...
0
votes
1answer
22 views

Is there a author_update action?

Is there an action you can tie into whenever an authors information is updated. (ie they update their display name). If not is there any way to tie into this?
0
votes
0answers
500 views

Get User Login Data (date, time… )

I did my best looking for information about this subject. Your guidance is appreciated. My goal is to perform some actions based on the number of user logins on my website per month and login days ...
0
votes
0answers
88 views

personal_options hook on Wordpress multisite

I have a working script that hooks to user profile. This is my hook: add_action('personal_options', array(&$this,'show_bounce_email_warning_to_user'),10,1); As you can see it will show bounce ...
0
votes
1answer
83 views

an action hook when a post reaches a certain number of views

I am using WP Post Views plugin to display the post number of views. I use: <?php if(function_exists('the_views')) { the_views(); } ?> I am creating a badge system for my wordpress site. My ...
0
votes
1answer
73 views

WordPress's “Text” Format

When using self-hosted WordPress, you have the option of writing in "Visual" or "Text" mode. Assuming there's no plugins installed, Is this "Text" format a well defined standard or pseudo ...
0
votes
1answer
136 views

Variable scope in plugin outside loop [closed]

OK so I'm trying to use the plugin "adrotate" outside of the loop for my frontend. I can access all the WP functions I need for everything else using ...
3
votes
1answer
372 views

Call activation hook multiple times

I have a plugin that does some initialization stuff using register_activation_hook called from its __construct(). I've since extended my plugin to add functionality to it. For the sake of ...
1
vote
1answer
150 views

Hide content editor for posts after approriate date

I am tuning my new site and i what to disable Content Editor for post created after date X, but for posts that created before that date Content Editor must be on its place.
0
votes
0answers
189 views

Can't update an option when the publish_post action is fired.

I'm using Tom McFarlin's Plugin Boilerplate, and I'm facing this huge problem where I can't update an option when the publish_post action is fired. I have a function that hooks into the publish post ...
0
votes
1answer
212 views

How to return hook data when multiple parameters are present?

What is the proper way of returning data to a hook when there is more than one parameter present? Example apply_filters('image_downsize', false, $attachment->ID, $size) Attaching a callback ...
0
votes
0answers
21 views

Lightbox Post Pop-up on homepage [duplicate]

I've been working on sampression lite theme and what I want to achieve is when a post' thumbnail/read more link on homepage is clicked, a modal will pop-up ( similar to pinterest and this wp theme ...
2
votes
1answer
688 views

Display custom list of tags in post/page editor with hooks

I used the information posted on this blog post to display specific tags when editing a post. The editors on my site wanted the ability to display pre-specified tags instead of the most popular ones. ...
3
votes
1answer
964 views

How do I handle multiple Submit buttons in plugin's option page?

I'm developing my first plugin for WordPress and I'm getting a grasp of the whole hook system. I'm now stuck on a (probably) small issue, that I could possibly circumvent, but I'm afraid of coming out ...
0
votes
2answers
198 views

prepopulate form from a hook within wordpress function.php file

I have a form that I created by simply using the HTML editor in the wp-admin backend for a page. I have some variables in a hook for that page, I would like to pre-populate some of the form fields ...
1
vote
0answers
147 views

Show message in media-new.php

I'm wondering if there's a way to show a specific message when user uploads a file using the wp-admin/media-new.php script. So far I have this: function my_uploads_notice(){ global $pagenow; ...
0
votes
1answer
98 views

Why enqueue styles on hook

Why do we need to enqueue styles on a hook, why not just enqueue them straight in like this? wp_enqueue_style( $handle, $src); the codex page gives an example of using a hook but doesn't explain ...
2
votes
1answer
1k views

Empty Super Cache programmatically (with ACF action) [closed]

I regularly use Advanced Custom Fields to create awesome backend interfaces for my clients (as I'm sure a lot of us do…). ACF includes an Options add-on that creates one or multiple global options ...
0
votes
2answers
2k views

Include WooCommerce 2's prettyphoto scripts on all site pages

So when WooCommerce updated to version 2 they replaced the fancybox lightbox scripts with prettyphoto. I would like to use this on all my wordpress site's pages, not just the product pages, but the ...
1
vote
1answer
663 views

How to remove a metabox from menu editor page?

I am not sure if it is much different for any page but I am wondering how to remove a metabox from the appearance>menu page without having to go into the wordpress core files and remove it. Is there ...