Refers to a hook in WordPress Core that can be used to alter the results returned by a WP_Query based database query.

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2
votes
2answers
2k views

Include and Exclude Taxonomies From Archives & Feeds Using 'pre_get_posts'

What I am trying to do? My blog uses a custom taxonomy called edition with terms like us-canada (6), eu (7) and india (8) -- term slug (ID). I want to make sure that posts not assigned to any ...
2
votes
1answer
360 views

Using database meta_values to calculate new post order using pre_get_posts or a 'request' hook

UPDATE: I have worked out my implementation of the selected answer at the bottom of this post. I'm implementing a sorting algorithm based on Reddit's hotness algorithm, in addition to a time-decay ...
0
votes
1answer
330 views

Custom post types loop on a page template

Hi I'm trying to make a page template that shows a list of a custom post type ordered by a meta key, I easily made it with query_posts but I am trying to do it via pre_get_posts so I made a function ...
0
votes
1answer
136 views

pre_get_posts and BBPress in Swagger Theme

In the theme I'm using there is a custom.php file where the following code issues a pre_get_post function which adds the custom post types to the original query object. I've learned that you cannot ...
1
vote
1answer
365 views

Pre_get_posts Gives 404 on Custom Post Type

I'm trying to filter the query on a sub page called "Ask Question" to list all of the recent questions submitted by users, but I get a 404 when going to the page. Flushing the permalink structure did ...
0
votes
1answer
80 views

Filter multiple different main queries on custom pages

Ok so I have multiple different page templates with a main query that I want to filter the loop for. In my example I try to use a function to filter the main loop of my site and also the main loop for ...
0
votes
3answers
310 views

using pre_get_posts to exclude

I am trying to use pre_get_posts to exclude categories from posting to the homepage. If I do it like so it works just fine $query->set( 'cat', '-13,-7,-19,-12,-24,-21,-14'); that is hard coded ...
0
votes
1answer
183 views

pre_get_posts returning unformatted page

I ran a custom loop the other day to get some twitter information. Since I was running the code in a template and that template was being called from another loop, I was able to get the template data ...
3
votes
1answer
698 views

Using is_main_query to select custom post type on certain page

I've been trying to implement some of the ideas discussed by Andrew Nacin http://wordpress.tv/2012/06/15/andrew-nacin-wp_query/ into my workflow, specifically trying to move away from using ...
1
vote
1answer
452 views

Recommended way to drop a pending query (in pre_get_posts)?

It looks like an e-commerce plugin's core query will be of no use to me in one particular template so I would like to discard it completely in favor of my own WP_Query loops in the template. It's not ...
2
votes
1answer
115 views

When querying a combination of posts and other meta fields, is there a better solution than directly modifying the WHERE value?

This question is a follow up to a question I recently asked. I've implemented what seemed to be the only solution, and it seems to work (YAY!). I just need to verify that: This is really the only ...
7
votes
2answers
2k views

What is “main query”? [duplicate]

Possible Duplicate: How to know which one is the main query? I'm curious to know what is the so called "main query"? What I have is two queries on front page. if (have_posts()) : while ...
12
votes
2answers
2k views

Sticky Posts exceed posts per page limit

I'm using pre_get_posts to adjust the number of posts displayed on my homepage. function lifelounge_query_adjust( $query ) { if ( is_home() ) { set_query_var( 'posts_per_page', 12 ); ...
17
votes
3answers
3k views

Should I use Pre Get Posts or WP_Query

I have the following query which I call in my taxonomy.php template via query_brands_geo('dealers', 'publish', '1', $taxtype, $geo, $brands); This function works perfectly. However after reading ...
2
votes
1answer
174 views

Custom post type with tags

My understanding is, that custom post types can share tags with the posts also. I have created tags and applied them to a blog post and a custom post type. Yet when I click on a tag it only returns ...
1
vote
2answers
458 views

Ordering by meta_key

I'm trying to order the main query on the 'Jobs' post type archive page. I want to order them by a meta_key so the ones which have a value (i.e. are checked as Featured') are shown first. Here's what ...
1
vote
1answer
208 views

Custom Order in WP Query

I'm trying to implement my own query ordering, here is what I came up with... $query = new WP_Query('post_type=contentboxes&include=' . $contentboxes . '&order=ASC&orderby=include' ); ...
0
votes
2answers
1k views

pre_get_posts and set

I have some functions into my pre_get_posts filter. So, the problem is that when I set a meta_query, all the menus disappear from the page. function propersearchfilter($query) { $taxarray = ...
3
votes
2answers
4k views

Can I exclude a post by meta key using pre_get_posts function?

I see many people prefer to use pre_get_posts hook instead of query_posts. The code below works and shows all posts which have meta key "featured" function featured_posts( $query ) { if ( ...
0
votes
1answer
537 views

how to restrict posts_request filter to the main query only

I'm trying to run custom sql for search results, and I'm having trouble limiting the filter to the main query without running a redundant query. I'm successfully getting results via the following: ...
1
vote
2answers
580 views

Single page theme that uses pages for the content

I'm making a one page site. On the page I want to run WP_Query three or four times to pull in those 3-4 pages. The page looks a bit like this: <div class="row"> <?php $args = array( ...
0
votes
2answers
3k views

Multiple orderby parameters in pre_get_posts() action

Referencing @Otto's response to a question I also had about ordering by multiple fields, here is what he said: Can't do it with a naive WP_Query. Use the posts_orderby filter to add your own ...
2
votes
1answer
482 views

Order posts by (hierarchical custom) taxonomy terms and term children

The scenario a custom post type wiki a (hierarchical) custom taxonomy topics a page template archive-wiki.php The situation Posts show up and get ordered by post_date (which is the default). The ...
0
votes
1answer
609 views

How to sort custom post type posts in default order by multiple fields?

I'm with a non-profit that paid for development of a custom post type plugin that will help us track endangered plants that we're keeping in cultivation, rescued from development. We're mostly happy ...
0
votes
2answers
527 views

How to apply pre_get_posts to a custom query?

How can I apply pre_get_posts to a custom query? For example, if I have: $custom_query = new WP_Query(...) //code here How can I apply the pre_get_posts for this $custom_query?
2
votes
1answer
1k views

pre_get_posts on a page

Is it possible to edit the main query on a page using the pre_get_posts filter? I tried but it doesn't seem to work. function pre_wp_queries( $query ) { // only trigger on main qyery if ( ...
2
votes
2answers
325 views

Splitting the main query in multiple loops with query_posts and/or pre_get_posts?

I have a custom post type 'events', to which I have associated a custom taxonomy 'calendar'. The calendar has 12 fixed terms, for each month of the year ( 'august', 'october', 'november, etc.). I'm ...
2
votes
1answer
1k views

Search ONLY by meta key / meta values

I'm almost there on this one. On functions.php i have this: function base_home_product_post_type( $query ) { if($query->is_search() && $_POST['box'] == 'sku') { ...
0
votes
2answers
975 views

How Do I Use WP_Query to Run This Database Query as Search Result?

I have created a search box with a drop down box of 4 options to customize the search: A general default search, no filter A custom search according to the post title for a custom post type only. A ...
1
vote
1answer
1k views

pre_get_posts Remove posts based on meta value with 'post__not_in'

I am attempting to alter the query of pages where the post meta value of _members_access_role does not meet that of the currently logged-in user. Here is what I have so far: // Get all posts with the ...
1
vote
2answers
340 views

Distinction on meta value on pre_get_posts

I've got a special "position" meta field for posts which can be between 0 and 37. 0 Is ignored, and everything else can have obviously any number between and including 1 and 37. But this of course ...
2
votes
1answer
288 views

Getting the different post statuses + count like in edit.php, in a custom submenu page

I'm trying to create a submenu page for reordering posts/pages. Right now I'm trying to include the list that display the different post statuses, for example: All (5) | Published (4) | Draft (1) I ...
1
vote
3answers
3k views

$query->query_var['post_type'] not set for pages

Bulding off of this response from @kaiser about being able to filter by post types on a search page, I wanted to be able to automatically add-in all of the public post types available. So, after some ...
1
vote
1answer
122 views

Showing posts from different categories and from custom post type

On my main page, I want to show posts from 3 categories, and 1 custom post type. Is there a way to get them together in one pre_get_posts function? Or do I need to query separately - once for the ...
3
votes
2answers
196 views

How to target the default Recent Posts and Recent Comments widgets with pre_get_posts?

I added the following to my functions.php: add_action('pre_get_posts', 'keyl_get_emp_posts'); function keyl_get_emp_posts($query) { if ($query->is_main_query()) ...
0
votes
3answers
3k views

Query with pre_get_posts to get pagination

After pretty much getting everything working with query_posts, I noticed my pagination wasn't running. I was told pre_get_posts should be the solution. My problems: I don't know how to pass all my ...
0
votes
2answers
615 views

Check post_date in pre_get_posts

I want to change the order of a feed using pre_get_posts filter. But I want to exclude dates older than today. I see how one could do that if the date were in a meta key, but the date is in ...
2
votes
1answer
1k views

Custom search filter causes menu and query_posts problems

I'm using a custom search filter (using my custom query var type), like so: function fteh_pre_get_posts( $query ){ if( isset( $query->query_vars['type'] ) ) $types = explode( ',', ...
1
vote
1answer
533 views

Custom post type search using $_SESSION and pre_get_posts

I've been hacking all day at a custom post type search/filter system. So far I have this: function kdev_property_query($query) { if(isset($_POST['rooms_n'])) $_SESSION['rooms_n'] = ...
2
votes
1answer
1k views

Adding meta_key via pre_get_posts causes navigation to disappear

I'm writing a custom function that allows the posts to be sorted based on a custom field. When the user submits the "sort by" form, the meta_key (as well as orderby and order) parameters by which the ...
11
votes
2answers
3k views

Using pre_get_posts with WP_Query

I was reading Stephen Harris's excellent answer to this question regarding the use of WP_query(), query_posts() and pre_get_posts. He says "pre_get_posts is a filter, for altering any query. It is ...
0
votes
2answers
836 views

using pre_get_posts for search results not found

function hotlinkers_wp_query($query) { if ( !$query->is_admin && $query->is_search) { $search_query = str_replace('-',' ', $query->query_vars['s']); ...
5
votes
2answers
3k views

Media library to list images only user uploaded

I want to list images for only user uploaded image. Here is the scenario: Using the image uploader on front end using iframe. I have added upload_files cap to subscriber level users and want them ...
79
votes
4answers
52k views

When to use WP_query(), query_posts() and pre_get_posts

I read @nacin's You don't know Query yesterday and was sent down a bit of a querying rabbit hole. Before yesterday, I was (wrongly) using query_posts() for all my querying needs. Now I'm a little bit ...
1
vote
2answers
1k views

Sort custom-posts in archive.php via meta-key?

this question is strongly related to this question where I already got a working answer. I have a custom-post-template named "wr_event" and a custom-taxonomy named "event_type". This "event-posts" ...
1
vote
1answer
3k views

Using pre_get_posts to set posts per page, how do I?

I am trying to use pre_get_posts to set posts per page for a single term within a taxonomy. One thing that is throwing me off is setting the term to apply the pre_get_posts to. Here's my code: ...
8
votes
3answers
3k views

Modify Taxonomy pages to exclude items in child taxonomies

I found this question: Theres a way to use $query->set('tax_query' in pre_get_posts filter? which seems to indicate that yes, you can alter the taxonomy query on taxonomy archives via ...
4
votes
1answer
557 views

How-to exclude terms from the main query the most performant way?

This Q is a follow up to this answer on the Q: "How to exclude a specific term for the search?". 4 ways to filter out posts that have a specific term Type | Pro | ...
0
votes
1answer
3k views

Can I use $query->set() (in a pre_get_posts() hook) with a custom taxonomy in WP 3?

I can do something like the following with a standard category: $query->set('category__not_in', $term_id); But how do I do the same with a custom taxonomy term? I'm using Wordpress 3.3.1 if it ...
0
votes
1answer
217 views

Setting post_id for single.php based on URL without a redirect

I'm migrating a Joomla! database to Wordpress and the website has to remain exact regarding URLs. The Joomla site has its posts with .html extensions, and the importer I created maps the Joomla file ...