A type of hook that provides a way for content to be overridden programatically

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1
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2answers
140 views

How can I insert some extra validation into the theme options' validation function using add_filter?

I'm using the theme options from the underscores (_s) WP theme as a base for my own theme options. If I wanted to insert the validation from the bottom function into the top function's $output array, ...
1
vote
1answer
895 views

posts_groupby problem

On my search page I want to group the posts by post type. To do this I've got the following: add_filter('posts_groupby', 'group_by_post_type' ); function group_by_post_type( $groupby ) { global $...
1
vote
1answer
402 views

display only the wp_nav_menu, which has the current-menu-item

i have a problem displaying only the menu with wp_nav_menu, in which the current-menu-item is in. Heres what i got: function register_menus() { register_nav_menus( array( 'sidebar-menu' =...
4
votes
2answers
4k views

add_filter and changing output captions of image gallery

I'd like to change only one output of native WP Gallery (in media.php) On Smashing Magazine (link) author advises to change whole gallery_shortcode function. But I wondered if is possible to change ...
0
votes
2answers
98 views

Filter and Search

I am working on my site which is a WordPress based site. It is a sweepstakes site well winprizesonline.com is the site which inspired me most. Now I want a dynamic search like that site on my site but ...
5
votes
1answer
3k views

Set JPEG compression for specific custom image sizes

I use various custom image sizes (by add_image_size) and I have set my JPEG compression to 30% with this filter: function jpeg_quality_callback($arg) { return (int)30; } add_filter('jpeg_quality', ...
1
vote
1answer
3k views

ajax for filtering posts by category in wordpress loops

I've been looking around for a way to filter my posts on http://www.waziproject.com/wazimagazine/ without reloading the page. So my question is if anyone can help me out to turn the following into a ...
1
vote
3answers
105 views

When to use actions and when to use filters

I'm trying to understand where to use filters and where to use actions. Suppose I have a query in a plugin, which later add on modules might modify to change the results of the query, thus modifying ...
0
votes
1answer
54 views

How to separate a specific page's comments from other comments

I am using WordPress comments on a page as a Contact form. Comments from my Contact form page are set to auto approve and only visible to the logged admin. Now in the dashboard I would like to ...
0
votes
2answers
505 views

How to use filter on comment submission/insert

I am working on a small project for my family to share info, recipes etc. And I added a "@" mention feature. Now that the mention feature works I need to notify the user they were mentioned. I ...
2
votes
1answer
583 views

How to Auto Approve Comments on a Specific Page?

I am using WordPress comments on a page as a Contact page and I am able to show those comments only to logged in admin. Now I would like to automatically have any comments placed on my Contact page ...
2
votes
2answers
1k views

Search results sorted by post types

I am working on a site with several post types - 4 to be exact - and I am trying to setup the search results page to have a filter/sort the results by post types. For example, when a person searches ...
1
vote
1answer
952 views

How can I remove the image attachment ALT field?

I've been using the technique described in this post to remove the caption and description fields in the uploads modal window, thus eliminating unused clutter for users. Since the title field is ...
2
votes
1answer
801 views

Taxonomy terms with edit/filter link in wp-admin, in the list of custom posts

I'm using get_the_term_list and manage_posts_custom_column to display the terms of a custom taxonomy in the list of custom posts, in the WordPress Admin. add_action( '...
5
votes
3answers
3k views

Filter any HTTP request URI?

I want to filter any HTTP request URI done through the HTTP API. Use cases: The WordPress update check goes to http://api.wordpress.org/core/version-check/1.6/, but https://api.wordpress.org/core/...
0
votes
1answer
645 views

add_filter to the_content after apply_filters

I have a shortcode that outputs null (""). What I'm trying to accomplish is to output a default message if the shortcode outputs null. I don't want to extend my shortcode because there may be ...
2
votes
2answers
3k views

Wordpress apply_filters() Arguments Missing

I'm customizing a Woocommerce Wordpress site. In the Woocommerce product class (class-wc-product.php) the get_price function applies a filter as follows: function get_price() { return ...
0
votes
1answer
1k views

Displaying custom taxonomy in the admin list of a custom post type

I'm trying to list the terms of a custom taxonomy ('genre') in the overview table in the admin area for a custom post type ('station'). To get this, I tried the following code in my theme's functions....
1
vote
2answers
135 views

Failed to invoke other hook from the init hook

Related to this question (Use wp init hook to call other hooks?) but not the same. Sometimes, I found that the hook will failed to run when I place inside the init hook, e.g. Not Work: add_action('...
1
vote
1answer
109 views

modify a function filter

I am using the latest version of wp-ecommerce (3.89) and a new filter has been introduced to enable role based access to certain dashboard features such as the sales page or upgrade capability. ...
2
votes
1answer
622 views

redirect pages with no content, instead of 404 error, using max_num_posts?

I have a site that has changed its pagination structure, resulting in a huge amount of 404 errors (more posts are being shown per page than previously, so there are lots of pages that were once ...
1
vote
1answer
706 views

Using Conditional Statement in functions.php

I've got this code below in my functions.php and I'd like to add two filters with conditional statement not to effect every query_posts. Something like this if(!is_admin() && is_page('Home'))...
3
votes
1answer
922 views

Rewriting search and pagination base

After trying for weeks now how to find a working solution I got rid of most of my functions and trials and just left the pagination function underneath in my functions.phh file: /** * Pagination ...
0
votes
2answers
246 views

Change Default Content when Creating a Post based on Previous Category Choice

I'm working on a system that forces users (unfamiliar with wp) to choose a category before creating a new post, and then adds some appropriate html layout styling to help them. The following code ...
0
votes
1answer
499 views

Limit upload file type on one custom post type

Is there any way to limit the filetypes allowed for upload based on the current post type? For example, I have a custom post type called documents. I have a File upload custom field which calls the ...
12
votes
2answers
6k views

How to add sub-menu to a menu generated by wp_nav_menu by using plugin

I have a menu generated by wp_nav_menu which look like <ul class="nav-menu" id="menu-top-nav"> <li class="menu-item menu-item-type-custom menu-item-object-custom menu-item-43" id="menu-...
0
votes
1answer
370 views

Exclude custom function content from certain pages

I have added a small custom function to display a little author bio blurb at the bottom of each blog entry in my functions.php file inside the current theme that I am using. So far so good, it is ...
0
votes
1answer
179 views

What is the scope and persistence of add_filter() and remove_filter()?

I understand that using add_filter() or remove_filter() directly within a themes' functions.php would make the changes global across the theme unless you override them elsewhere. But believe this is a ...
6
votes
1answer
9k views

Adding a filter to qTranslate to change display of language chooser

This is a problem I am having with qTranslate, but I suppose the solution is more of an instruction in how Wordpress hooks and filters work. Instead of using the qTranslate widget, I am using the ...
1
vote
1answer
1k views

Conditional add_filter for upload directory?

I have a custom media upload button (in the standard post edit page, alongside the standard media upload button), and need to change the upload directory dynamically if this button is clicked - using ...
0
votes
1answer
3k views

Filter WooCommerce Orders

I am using woocommerce for a "multi-seller" system. Meaning one site (no multi-site), but many sellers with different products. To let each owner only manage it's own orders, it would like to filter ...
2
votes
1answer
324 views

Which filter/action hook gets triggered after a query has been performed?

Is there an action or filter that gets called after an instance of WP_Query performs a query?
3
votes
5answers
586 views

How do I make a theme “plugin-ready”?

How do I revise a theme so that I can publish my event hooks and anyone can build a plugin to add new functionality easily to my theme?
1
vote
1answer
124 views

Give “Read More” precedence over excerpt() word count

By default, the_excerpt() displays the content before the <!--more-->, trimming it at ~50 words. Is there any way to prevent this trimming functionality when the <!--more--> is present, ...
1
vote
1answer
155 views

Admin comments and user restrictions

I have set a bunch of roles within wordpress with the help of the "members" plugin. But the capabilities regarding the comments moderation are very limited ("manage_others_comments" or not) What I ...
3
votes
3answers
1k views

Filter to modify post_title after image upload?

When I upload images, Wordpress 3.4.2 sets the Title to the base of the filename, such as "DSCN1234" or "IMG_1234". I'd like the Title to be left blank. The code that sets the Title during the upload ...
4
votes
2answers
794 views

Removing default image size list in Media Box

I trying to remove unused image size (Thumbnail, Medium, Large) in MediaBox Any function can i use in functions.php ? or some trick ? PS : I know i can use jQuery trick but any better function to ...
0
votes
1answer
235 views

how to localize the number of wordpress post views?

I want to display post view in localize number. I add these function in function.php to do so function make_bangla_number($str) { $engNumber = array(1,2,3,4,5,6,7,8,9,0); $bangNumber = array('...
1
vote
1answer
763 views

Nested calls the the_content filter

I'm writing a plugin that adds some custom content near the end of a post (or page). So I've added a filter for 'the_content', and the plugin adds its content there. Mostly, it works. However, some ...
1
vote
1answer
63 views

How to allow — in category name

How allowed "--", "---" or any other symbol in terms(category) URL. Now WordPress replace from "--" to "-" ps.I`m using to Subdomain plugin. And IDN subdomain Example: xn--...site.com/ There xn-- is ...
2
votes
2answers
779 views

How may I filter get_users() similarly to pre_get_posts?

I have filtered posts, pages and custom_post_types based on $current_user custom usermeta field values using pre_get_posts(). Is there a similar method/function to alter get_users() based on $...
4
votes
2answers
1k views

How To Determine If A Filter Is Called In A Sidebar/Widget Context?

So I have a plugin that appends or prepends an enhanced author biography to the content of a page/post/custom post type. It does this by hooking to either the_content or the_excerpt and appending/...
2
votes
1answer
259 views

How to debug removal of rewrite rule flushing?

I use Custom Post Types. I try this: functions.php add_action( 'admin_init', 'flush_rewrite_rules' ); Now I’d like to remove this again. I try this: remove_action( 'admin_init', '...
2
votes
3answers
3k views

Overriding wp_get_archives() apply_filters()

I have Googled for a while and I am not sure how is the best way to do this. In wp-includes/general-template.php I am looking at the function wp_get_archives() which has this line of code in: $where ...
1
vote
1answer
347 views

Strange behaviour with add_{$meta_type}_metadata | add_post_metadata filter

I'm unsuccesfully trying to use the add_{$meta_type}_metadata. This filter is called inside add_metadata function (wp-includes/meta.php:31 in Wordpress 3.4.2). In particular I wanna hook "...
0
votes
1answer
266 views

create 2 custom columns in page edit in Admin panel

Hey all i have this code here: if ( !function_exists('AddThumbColumn') && function_exists('add_theme_support') ) { // for post and page add_theme_support('post-thumbnails', array( '...
7
votes
2answers
3k views

add_action(), add_filter() before or after function

When looking through WordPress snippets/tutorials/plugins I often see add_action() and add_filter() being placed before the function is declared: add_action( 'publish_post', 'email_friends' ); ...
0
votes
1answer
388 views

How to access variables in the function where apply_filters() is called?

I am trying to filter some data based on whether a variable from within the function that calls apply_filters() is equal to specific value. That variable is not passed to the apply_filters() ...
0
votes
1answer
278 views

How do I filter a custom post type loop by a field?

OK, very simple task, I'm just not good at PHP. I have a page where I want to list some staff using a styled list. Here is the page all working fine, I just need to divide the results - http://www....
0
votes
1answer
520 views

Change Mail from and display name with a filter action

I'm attempting to override the from display name and email address using wp_mail function. I am using the hook to modify wp_mail_from with my custom function using add_filter('wp_mail_from','...