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

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1
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1answer
500 views

Using add_filter() in Widgets

Just have a query reference the add_filter() function. Can you use this function inside a WordPress widget class. Example I have a widget with dynamic created code that I want to pass to another ...
1
vote
1answer
813 views

Only let plugin add actions to wp_head & wp_footer on single posts

I'm using a a plugin (Comments Evolved) on a recently built site. The issue I'm having is that this plugin globally enqueueing and adding actions to the head and footer of all pages. I'd like to ...
1
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0answers
16 views

Slow WP_Query with 'OR' on meta_query

Essentially, I'm trying to query using a filter for the args being fed into WP_Query() like so: public function filter_wp_query( $args, $template_slug ) { $args['post_type'] = ...
1
vote
1answer
319 views

list category posts under its item in menu

When adding category to Menu, I need it to list all the item that belong to that category in separate UL automatically. like this http://i.stack.imgur.com/ulOOS.jpg Of course I can do that manually, ...
0
votes
0answers
11 views

add_filter post_gallery and do_shortcode

I'm attempting to swap out short codes on the fly but having an issue that I'm hoping someone can help with. Basically I've added a "Gallery Type" option to the wp.media library and am using the ...
1
vote
2answers
31 views

What effect does the_content filter have on performance?

This is general question but lets say I have a function and on a specific page I want to display a table. The function only applies to one page on my site but every post/page will run this function ...
0
votes
1answer
19 views

post_results filter confused by pagination in sidebar and main section

I have a post_results filter that I want to use to manipulate the results returned from a the query. Let's say that it's supposed to put stars around the first post on the first page, second post on ...
0
votes
2answers
32 views

Add filter unless it is being called under specific function

I want to add a filter ... but not if it that filter is called by a specific function. Here's a simplified example: <?php add_filter( 'get_the_excerpt', 'wp_trim_excerpt' ); function ...
1
vote
2answers
419 views

How to use the 'comments_number' filter?

I'm not sure how to use this filter. Could someone show me an example? I'm trying to change ('0', '1', '%') to ('0 Comments', '1 Comment', '% Comments'). I'm using this function to get the comments ...
0
votes
1answer
9 views

posts_results filter function memory errors

My posts_results filter is causing memory errors and I can't figure out why. Here's the full snippet: /*-----------------------------------------------------------------------------------*/ /* ...
1
vote
2answers
2k views

How to replace the_post_thumbnail template tag and show the first inside the post image instead

I want WordPress to return the first post image or a default image if no featured image has been set. My theme uses the_post_thumbnail many times, so I don't want to go through and change all ...
0
votes
0answers
6 views

Filtering Index By Categories

Goal: At the top of my index page, I would like to have a list of the categories of posts - for example: "All", "Apples", "Oranges", "Bananas", so that when I click on a category (Oranges) then the ...
26
votes
2answers
7k 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 ...
0
votes
2answers
115 views

Add Fields with Sub-Fields to WP Job Manager

I have been working on a custom add-on for WP Job Manager where I modify, via filters, the content displayed. I've used many of the tutorials on www.wpjobmanager.com/documentation, but I'm stuck on ...
1
vote
4answers
2k views

Make parent categories not selectable

I'd like that my categories having child-categories don't be selectable on the post article page. What I want to do is to remove the checkbox before their label. I've looked the filter documentation ...
1
vote
2answers
1k views

Call to undefined function error after adding add_filter to wp-config

I am getting Fatal error: Call to undefined function add_filter() in example.com/wp-config.php on line 20 after adding add_filter( 'auto_update_plugin', '__return_true' ); to wp-config.php My ...
0
votes
1answer
17 views

pre_get_posts to hide everywhere posts from “Archive” category

I want to hide some posts from feeds, searches and nearly everything, apart from URL to this post. To have so called archive. Private post is also not an option because unlogged users with URL should ...
0
votes
1answer
328 views

Search a title word through query_posts (not the exact match)

We're working on a database with personal data from different sportsmen such as name, height, weight, etc. We've managed to build a detailed filter through query_posts. Every filter field is working ...
0
votes
1answer
18 views

How to filter sql only for a specific post type

I have been trying to join a custom table with a regular wordpress query, but only under a specific condition (a specific post type). I have a single-event.php template that runs the main query, and ...
0
votes
2answers
27 views

Shorten the title length

So I'm using this filter in order to shorten the title: function the_titlesmall($before = '', $after = '', $echo = true, $length = false) { $title = get_the_title(); if ( $length && ...
2
votes
1answer
25 views

How can I display image metadata?

I'm trying to add a filter to the_content that will find all images in the post and append the custom attachment metadata credit to it. Here's the functions I've have: Adds the Credit field to ...
0
votes
1answer
28 views

Get results from the main wp_query

I would like to alter the main wp_query and then email the results as PDF or HTML email. I have managed to filter wp_query using custom filters and some code similar to this inside my plugins ...
0
votes
2answers
12 views

How do I add a class to all sidebars to let a Google Custom Search Engine know not to index the content?

I've replaced the WP search on my site with a Google CSE. Google has a nice feature that lets you specify that certain areas of the page should not be indexable, by adding a "nocontent" class to those ...
0
votes
2answers
364 views

Return a custom value in a function added to an action hook

I looked into the difference between action and filter hooks, and as far as I understand, it is not possible to have a function, which is added to an action hook, return a (custom) value. My ...
0
votes
0answers
138 views

Converting a checkbox filter for custom fields to a dropdown

I've been scratching my head trying to figure this out for awhile now and was wondering if someone could provide some help. My PHP knowledge isn't the best so I'm working with what I have and it ...
1
vote
1answer
22 views

Archive filter disappears on no results?

I have been working through this example: http://www.advancedcustomfields.com/resources/creating-wp-archive-custom-field-filter/ That a colleague of mine found for creating a simple checkbox-based ...
6
votes
3answers
5k views

How to Pass External Variables to Filters/Actions

I find myself needing to pass custom data to a filter provided by a 3rd party plugin. All of the ways I've seen to do this are really complicated and hard to wrap my head around. Take this example: ...
0
votes
1answer
10 views

Custom post type with Filter and Page Nav

A custom post type custom also have special custom fields people and location I am trying to get this in the listing archive page with a filter on people location year (which is the post date) to ...
0
votes
1answer
17 views

Modifying WP_Title For Custom Post Type

Trying to modify the output of the WP_Title through a custom post type with a filter. I've had no issues doing it to the_title but I assume as the wp_title function is called through the header it's ...
0
votes
1answer
26 views

Make the 'all' filter default instead of 'mine' in a custom post type

I reckon this one is quick and easy... I think I'm just missing something very obvious. My inquiry is nearly identical to this stackoverflow post. For non-admin users, the default filter for posts ...
2
votes
1answer
243 views

SSL certificate for the host could not be verified

I'm getting this error in a log file created by WooCommerce "The SSL certificate for the host could not be verified." The error is being generated by WordPress' file /wp-includes/class-http.php ...
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 ...
3
votes
1answer
4k views

adding a filter to a shortcode?

<?php echo do_shortcode('[mingleforum]'); ?> inserts the mingle forum into my content! is it possible to use add_filter() on that?
6
votes
1answer
57 views

How to add taxonomy filter on the query fly?

I try to add tax query on pre_get_posts hook using following code : // Add custom posts to main query (archive and home) add_action( 'pre_get_posts', 'add_post_types_to_query' ); function ...
1
vote
1answer
14 views

Dropdown category filter

Ive an array set up to filter through various categories, currently it is only displaying 10 a maximum of ten posts instead of all of them. Where have i gone wrong? <div class="select-search"> ...
0
votes
0answers
15 views

How do I remove_action for the function from included file

I'm building a theme and trying to reuse code from another file in my header.php by doing this: include_once( get_stylesheet_directory() . '/root-theme/header.php' ); This include works fine. But ...
0
votes
1answer
21 views

Problem with Class, Filters and Callbacks

according to this Callback example if I'm referencing a method inside a class, I should use add_filter by specifying an array with 2 elements, first the object then the method. Here is my code: ...
0
votes
2answers
2k views

How to append new form elements in “Add New” form of Users in Wordpress admin panel?

I'm developing a WordPress plugin and I want to append some extra form fields in add new form of Users section inside admin panel without editing core files. Can somebody help me in achieving this.
1
vote
2answers
273 views

user_has_cap filter allows edit but will not allow save

Problem I'm working on a website where we need to be able to put a username in the custom field of a custom post type, and allow the user specified to make changes to that post and only that post. I ...
4
votes
2answers
2k 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
327 views

Empty string supplied as input when parsing content

I have this code: <?php function mb_find_my_image( $content ) { if( is_home() ) { /* if is home start */ $dom = new domDocument; $dom->loadHTML($content); ...
0
votes
2answers
974 views

Filter categories using tags

I have a website with the following categories: Videos Pictures Stories And I have a lot of tags like: Funny, Awesome, Mind Blowing, Crazy, etc. Is there a way I could filter lets say: Videos ...
0
votes
2answers
33 views

Firebug and Chrome rendering two body tags

I have a curly problem I've been working on for some time. At first it appears as if the get_body_class() function was broken but after I removed it from the template the issue persists. <html ...
2
votes
2answers
250 views

Clean-up script tags

I want to clean up <script> tags generated by WordPress to produce more semantic output for HTML5. You can already do this for <style> tags using this code attached to the ...
0
votes
2answers
488 views

How can I remove the “Add New” button in my custom post type?

I have many custom post types that need the Add [custom post type] feature but I have a custom post type of "About" and I do not need to "Add New" about to the about custom post type. So I want to ...
0
votes
1answer
15 views

Jetpack Comments Change Placeholder Text

Is there a hook or template file where I can change the placeholder text on the #comment textarea w/in the comment form? Jetpack loads the form via an iFrame which prevents changing the placeholder ...
0
votes
1answer
15 views

shortcode which is introduced into entry the blog, and appears in side bar

I have the following shortcode plugin, it works perfectly, nothing more I want to put you in the blog and appear in the sidebar, how I can accomplish this? I want not put a widget in the sidebar, ...
13
votes
2answers
1k views

Disable emojicons introduced with WP 4.2

So WP 4.2 introduced emojis (smileys) that basically adds JS and other junk all over your pages. Something some people may find shocking. How does one completely erase all instances of this?
0
votes
0answers
21 views

When to hook into edit profile action?

I have the following function which combines the values of a few user profile fields and saves them as a new user_meta called COMBINED_WORKSHOPS. The function works, but I don't know when/where to ...
1
vote
1answer
2k views

AJAX filter posts on click based on category

This is my first foray into AJAX, I've been splicing bits of code from various tutorials which probably hasn't helped. I have a list of categories on my homepage (index.php) and a list of the most ...