Method by which plugins and themes extend core WordPress functionality.

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67 views

Init hook for header send

I am working on a checkout proces where if I submit the checkout I get an error "headers already send" because I use a PHP header() function to send the customer to my payment provider url. My idea ...
1
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1answer
58 views

Plugin activation hook in an abstract class

I would like to create a common abstract class to use for every WordPress plugin that I develop. As a part of the class' initiation process, I would like to fire the activation hook which calls an ...
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3answers
51 views

Is it safe to register a taxonomy without using any hooks?

I'm creating a Wordpress site in which I wanted to use a custom taxonomy in my theme options, which I had registered using the 'init' hook. But the problem was that the 'init' hooks gets fired after ...
3
votes
2answers
77 views

What hook is executed just after wp_query has been executed?

What hook is executed just after wp_query has been executed? before template is rendered? I want to change the page title but it depends on what has been queried. I have put it in template_redirect ...
2
votes
2answers
60 views

What's the earliest point I can get the queried object ID?

I'm writing a supplement plugin to Wordpress Mobile Pack because I would like to use the default theme on pages that are assigned a certain page template. My plugin will only deal with the mobile ...
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2answers
124 views

Post curl function save twice using plugin hook function wordpress

when i save a data with my curl function using hook to save a data twice. public function __construct() { add_action('init', array(&$this, 'init')); ...
1
vote
1answer
228 views

Remove “Get Shortlink” button in admin of custom post type

I want to remove completely this section under my title in my custom post type. (I don't need this because I use this only for content management). With this piece of code I can remove the ...
0
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1answer
21 views

How to Show Different Information to your authors/contributers

One of the nice tricks that WordPress admins who have a number of authors/contributors could do to help them in writing content is to share with them relevant information based on where they are in ...
1
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2answers
110 views

Define custom Page Template without its own .php file

Is there any way of defining a Page Template from some function/filter/hook, without having any .php file containing the comment at the top of the page to declare the Template Name? For example, ...
0
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1answer
55 views

Where and how does WordPress store and use its plugin and hook information?

When WordPress installs a plugin, where does it keep the fact of a hook/plugins existence? For example, wp-includes/plugin.php I can see do_action, but I'm not familiar enough to know how WP loads ...
0
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1answer
76 views

Gravity Forms plugin: How to use “gform_editor_js” action hook? [closed]

I have a question regarding this action hook: http://www.gravityhelp.com/documentation/page/Gform_editor_js. I'm not sure where to put this action hook. Can I use this action hook in my child theme's ...
0
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1answer
186 views

Hook after wp_enqueue_scripts

I want to perform action when scripts are loaded. I mean when scripts are enqueued i want to take some action. Is there a hook after_wp_enqueue_scripts?
0
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1answer
192 views

How To Get Search Term and Use in Function

I'm trying to write a function that will 'grab' the search term entered into the blog search form, and then hook the function to the get_search_query filter like this ...
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2answers
167 views

wp_ajax action is not running

I'm writing a plugin. I want to run the method get_my_option when someone pressing a button in the settings page of my wordpress plugin. The ajax call is made but the method never runs. In the page I ...
0
votes
3answers
286 views

How do I add some javascript validation to the admin interface form's onsubmit?

I have a plugin that adds meta boxes to the admin interface and I need to do some validation when the user presses the "update" button before the form is submitted. Is there a WordPress action or ...
0
votes
1answer
209 views

wp_trash_post action hook with custom post type

When a 'contact' cpt post is trashed, i need a metakey from another cpt 'act' to be deleted, i have been searching all over which hook i should use but unfortunatly the codex action reference page is ...
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0answers
36 views

Which hook to use to add notification message at beginning of my <body>

i want to add dynamic messages to the beginning of my but I can't figure what hook to use. I have tried get_header but i can't append content to it... any idea? I don't want a solution that requires ...
0
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0answers
111 views

Wordpress upload file action hook

I have a custom post type called "Magazine" shown in the admin interface. Everytime a user uploads a file in the wp-admin to my custom post type "Magazine", I want to fire a hook because I have to ...
0
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1answer
46 views

When is get_currentuserinfo() needed?

I know you usually call it inside functions after global $current_user, but sometimes it works whether you have it or not. So what are the conditions where is it needed? Sample code: function ...
0
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1answer
53 views

Gravity Forms | Form Object is NULL [closed]

I am trying to customize some gravity forms behavior. Therefore I've tried to hook into gforms from my theme. Unfortunately the form object is always NULL. Why is that the case? Example code: 1) ...
3
votes
1answer
27 views

Change text of Description in Image Library

i would like to change or add text to the Media Library Overlay on the right side if you click on an image and can enter a description for the image. At the moment there stands "Description" or ...
1
vote
1answer
75 views

Injecting a custom sql query into a page/theme

I have written a custom sql query for our WordPress website (fairly elaborate and not achievable with the standard wordpress code) and I've got it to run via $pageposts = $wpdb->get_results($query, ...
0
votes
2answers
123 views

jQuery does not work

I am working on a project where I need jQuery for. I added this to my functions, and the scripts are loaded in my header if I watch my page source, but jQuery doesn't work. What am I doing wrong? ...
1
vote
2answers
430 views

Update meta values with AJAX

I am working on a voting system in Wordpress. I first made it with GET requests but someone told me you should not use GET for this, So I started working with AJAX to update custom fields/meta values, ...
0
votes
1answer
41 views

Hook only specific post type

with this function I change the title of my posts in the posts type 'alternatives'. My problem is that Wordpress changes all my titles now. Does anyone know how I can set this for the specific custom ...
0
votes
2answers
90 views

Transition Post status not working

I have a plugin which uses the transition_post_status hook, to fire a custom function on post update. But I don't know why its not working. Here is the code add_action('transition_post_status', ...
1
vote
2answers
133 views

Hook to generate a dynamic sitemap with “All in One SEO Pack” Plugin

Besides the urls of posts, pages and categories, I need my site's sitemap to include the urls of various pages that display data coming from an external source other than the WP database (Rails API). ...
0
votes
1answer
47 views

Is there an admin hook that will let me read GET variable before it's too late to set the header Location

I need to redirect the page based on the query vars in my plugin admin menu. I don't know where I can hook in to read the query vars or the GET vars order to decide if the page needs to be redirected. ...
4
votes
1answer
181 views

Changing the “Plugin Activated” Message Default

Whenever an administrator in WordPress activates a plugin, upon the reload of the plugin page, a notice will appear upon successful activation reporting "Plugin Activated". Is there a way to change ...
1
vote
1answer
75 views

How to hook in after user's registration email has been sent?

I want to redirect to a page after the user's registration email has been sent. What is the correct hook? user_register is too early, that is the user is entered into the database but the email ...
-2
votes
1answer
70 views

How to place plugin hook in a wordpress template

In many WordPress plugins, there are installation directions to add <?php do_action('plugin_name_hook'); ?> in your theme's templates. Where exactly do I need to place this code and what should ...
0
votes
1answer
29 views

How to replace settings in WordPress plugin from a theme

I created an array with some default settings in a plugin, and want to allow it to be replaced from functions.php in a theme without using stored data (eg. add_option). I want this to be just a hook ...
-1
votes
1answer
1k views

How to add a second 'place order' button in WooCommerce [closed]

My client would like two 'Place order' buttons on his checkout page (http://www.jobgrandprix.fr/checkout/?set-cart-qty_2652=1). By default, the 'Commander' (his site is in French) button is at the ...
1
vote
1answer
158 views

Setcookie works on admin but not front end

I have a simple function to set a cookie to the value of whatever parameter is attached. For example, if I visit http://example.com/?devsource=http://dev.example.com/ it should set the value of the ...
0
votes
2answers
190 views

What is the action hook that deletes a taxonomy term from the backend? And how to retireve the term id before deleting it?

I need to delete some postmeta when deleting taxonomy terms from the backend. Before deleting the term, I need to retrieve the postmeta's meka_key and the term id that is going to be deleted. Use the ...
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0answers
12 views

Hook on Add new category from post editor [duplicate]

How can I "hook" on Add new category metabox from post editor page? I need to add some default values to DB when adding new category
-1
votes
1answer
63 views

How can I get the term_id from the action hook 'set_object_terms'?

I have the following code and I want to use the term_id inside that function. I aware that the variable $terms contains the term; however, I do not know how to get the term id from it. ...
1
vote
3answers
125 views

What are the benefit in adding hook in the init() hook?

I see a lot of plugins using this approach to add a new hook, e.g. add_action('init', function() { add_action('SOME_LATER_HOOK', xxx); add_filter('SOME_LATER_FILTER', yyy); }); Why they don't ...
0
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0answers
92 views

Custom login errors and redirect

I am working on a custom login page in Wordpress and found these 2 functions for a redirect back to the custom login pages to show errors there and nog on the Wordpress default login page. The first ...
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0answers
17 views

Extra Editing Box in WP Dashboard

So I am trying to add an extra box in the WP post dashboard. In this box I will add a piece of HTML code. This code created the box in the WordPress area: $woo_metaboxes[] = array ( "name" => ...
0
votes
0answers
11 views

How to make the registration form as page [duplicate]

I am currently using 'Cimy User Extra Fields' plugin for adding extra fields on my registration form. But i want to move the whole registration form on a single page so i have all the website footer ...
1
vote
1answer
187 views

Move excerpt meta box to above content editor

I found a WordPress hook called "edit_form_after_title" to add a text box after the title. How can I use this hook to display the excerpt after the title while creating a new post?
-3
votes
1answer
37 views

Is there any Reference of Wordpress hook and hacks? [closed]

I am searching for a website to have lots of Wordpress hacks and hooks. Some hooks like activating debug mode or etc. Can you give me lots of this futures ?
0
votes
1answer
52 views

change output location of plugin function using a custom hook

I'm running the YouTube Video Fetcher plugin and it fetches youtube videos and displays it on your website. However, instead of displaying the video after the post, I want to hook the code into a ...
0
votes
1answer
24 views

Can my hooked uninstall class function access a global var declared in main plugin file?

My current setup is as follows... In the main plugin file, these two hooks are set (not inside any class): register_activation_hook(__FILE__, array('DG_Setup', 'activation')); ...
0
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0answers
67 views

Plugin action hook fires when it should not (unrelated admin screen)

I maintain a plugin which generates a PDF of a page or post when an icon or link is clicked. PDFs may be cached, and as such, when a page or post is edited, we refresh the cache by regenerating the ...
0
votes
1answer
206 views

disable publish button until condition is not met

I currently wrote a plugins to customize my wordpress website. I surprisly find it easy to do many things with hook. Now I want to make author not be able to push publish button if no category is ...
1
vote
2answers
119 views

How to filter backend post list showing only posts having a shortcode

I need to filter the Posts and Pages tables in the Admin panel by certain shortcodes. In my plugin, I have added a column for shortcodes to the Posts and Pages views that works like the "Categories" ...
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0answers
53 views

Hide post completely and still reach it via cURL

I've been struggling with this for several hours. I want to have a post hidden from every listing, including the posts edit screen, and having it not reachable by browsing to it. I successfully did ...
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0answers
102 views

Populate WYSIWYG field with ACF choice

So, I have a custom post type that uses a flexible content field containing a post object field and a wysiwyg field. The post object is to choose a post from a selected post type. After you choose ...