Post Thumbnail is a theme feature introduced with Version 2.9. Thumbnail is an image that is chosen as the representative image for Posts, Pages or Custom Post Types.

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4
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2answers
486 views

Differentiate Featured Image from Post Images upon Upload

I want to differentiate the featured image from post images. The plan is to give the Featured Image multiple sizes, but the images inside / connected to the post only needs the default sizes. I ...
4
votes
1answer
11k views

How can I add the featured image functionality to a custom taxonomy?

I would like to be able to use the 'featured image' functionality, found on post types, for a custom taxonomy. I have a taxonomy called 'collections' and I would like each collection to have a ...
4
votes
3answers
8k views

Multiple featured image thumbnails for post types (Multiple Post Thumbnails plugin)

I found a plugin called Multiple Post Thumbnails and followed the directions in getting it set up. Everything shows up correctly in the admin dashboard (i.e. shows two sections to upload two separate ...
4
votes
1answer
748 views

Move from old custom field to new post_thumbnails

I've just taken over a busy WordPress site that's got ~800 posts so far. The site's been around long enough that it was started up before post_thumbnails was available. They worked around that ...
4
votes
1answer
373 views

Re-order media links?

I'm trying to re-order the links in the media box when selecting an image. I want to move "Use as featured image" above the insert into post button. I also want to rename the "Use as featured image" ...
4
votes
2answers
3k views

Post thumbnail outside the loop

I'm trying to get the post thumbnail in the sidebar which is in essence outside the loop. For some reason it seems impossible!!! I have tried all kinds of ways. Here is the wirking code: (I have ...
4
votes
2answers
1k views

Cropped featured image replaces original image in gallery

Firstly, I have done my research as thoroughly as I possibly can. Searches have been made, but I have not found any advice or solution as to my exact issue. Ok, time to explain. Currently I am ...
4
votes
1answer
694 views

Featured image with the same height thumbs returns wrong thumb

I have 2 sizes thumbs for featured images with the same height: 300 x 200 540 x 200 I've checked the uploads folder and both thumbs with different sizes appear correctly: file_name-300x200.jpg ...
4
votes
2answers
570 views

Featured image size in ADMIN panel?

I want to be entirely clear about this, what I'd like to do is change the size of the featured image thumbnail on the ADMIN panel, not on the front end. I'm building a WP-admin theme, and I need to ...
4
votes
3answers
1k views

How might I retrieve a featured post image from an external WP site and display it as a link back?

I have two WP sites. I want to reach from one of them, into the other, and retrieve specific featured images for posts, and display them with a link to that post. I am using this line (with the ...
3
votes
2answers
4k views

Remove the Featured Image Meta Box

How can I remove the Featured Image meta box? I've tried using the remove_meta_box function and specifying the boxes ID but it doesn't seem to work like it does for the other native meta boxes. ...
3
votes
2answers
7k views

Query posts only with featured image

I want to query 6 posts, but only those which have a featured image attached. I am using meta_key method for this with WP_Query as such: $args = array( 'post_type' => 'post', 'meta_key' ...
3
votes
3answers
2k views

can the_excerpt function also get images?

Not sure if im going about this in the right way but, overall, ive been told to create, kind of like a news box on my home page and so, the "latest news" is going to be this clients posts. now i know ...
3
votes
1answer
7k views

Set post-thumbnail (with php)?

A site I have inherited uses custom fields to set a path for thumbnails. Ideally I'd like to switch this over to use the built in post-thumbnail. Is there a way to procedurally set the post-thumbnail? ...
3
votes
3answers
1k views

Any easy way to automatically set the first inline image in a post as the thumbnail?

Is there a plugin for this? Has anyone done it before?
3
votes
1answer
11k views

How do you add thumbnail support for custom post types?

the thumbnail support is working for post, but I have another post type called product and it is not working for this. I am trying: add_theme_support( 'post-thumbnails', array( 'post', 'product' ) ); ...
3
votes
2answers
5k views

Retrieve 1st image in post and set it as featured image, when post is saved/updated

I need to set a featured image for every post I publish. So, when a post is published/updated, the script would scan the post for the first image using a script like this: // Get URL of first ...
3
votes
3answers
7k views

set_post_thumbnail_size in percent, not pixels?

I've created a new custom post type and I need the post thumbnails or featured images generated by the get_the_post_thumbnail() function to be set in percent, rather than pixels, as I'm using a fluid ...
3
votes
2answers
1k views

Implementing Zurb's Interchange Into Wordpress

I'm really scratching my head trying to figure out the best method for responsive images with Wordpress. Zurb just released a new javascript plugin for their Foundation framework. I'm using Foundation ...
3
votes
2answers
2k views

Post featured image column on admin post list page

I have a client site which accepts images from users as posts. For moderation, we are opening each draft post which obviously takes a lot of time if a hefty amount of images are moderated. So, Is ...
3
votes
3answers
2k views

Set Featured Image programmatically (in admin) with JavaScript?

I'm trying to set the post thumbnail (featured image) with javascript from an existing image in the media gallery. I would consider a php-based option too I suppose (one that would require clicking ...
3
votes
3answers
3k views

Black and White thumbnails

There are ways to convert color image to black and white on the client side with javascript. However, it won't work in all browsers and it's slow. Is there a way to convert Wordpress post-thumbnails ...
3
votes
1answer
168 views

The the_post_thumbnail without srcset?

The WordPress 4.4 adds multiple image sizes with srcset when using the_post_thumbnail function. Is it possible to get only one image size without srcset ? I understand that it is possible to add a ...
3
votes
2answers
111 views

Is there a hook / action that is triggered when adding or removing a post thumbnail?

I'm trying to update a custom field after a post thumbnail (Featured Image) is either added or removed from a post. The aim of this is to keep track of whether a featured image has been added or ...
3
votes
1answer
338 views

How to get_posts having post thumbnail?

I have following code: $posts = get_posts(array( "meta_key" => "special", "meta_value" => "surprise", // "has_post_thumbnail" => true, // how to do that? )); What should I do to ...
3
votes
2answers
383 views

PHP/Manual use of images? - 2 Questions

I've made a quick PHP script/page that uses the wp_insert_post() function to insert a post directly. And this works great. The post I am manually adding has an image in it, so I firstly ...
3
votes
1answer
4k views

how do I determine which image is the featured image in the database

I've queried all children of the post, and two records are shown. This is ok because there are 2 images in the gallery, but I can see no field in the database which makes it clear which one is the ...
3
votes
1answer
2k views

get_the_post_thumbnail() doesn't taking style attribute

This seems to be an easy one but its giving me quite a hard time. get_the_post_thumbnail() suppose to take attribute as an array. Well, everything working right but when i pass style attr its doesn't ...
3
votes
3answers
4k views

Best way to filter featured image text for a custom post type?

I am trying to change the "Set featured image", "Remove featured image", and "Use as featured image" text links of a custom post type for my plugin Meteor Slides. I found the ...
3
votes
2answers
2k views

Horizontal scroller with post_thumbnail's

Attempting to create a horizontal scroller using post_thumbnail's. I've made a filterable portfolio section using this tutorial: http://www.wearepixel8.com/blog/filterable-portfolio but my attempts ...
3
votes
1answer
1k views

How can I add a set featured image function to a theme that doesn't already have it built in?

I'm a relative newbie to WP and PHP in general, but now that I'm into it, I've caught the "WP fever" and have ditched asp.net. I finally found a quality theme that I like and I'm considering buying ...
3
votes
2answers
6k views

Set Featured Image Front Frontend Form

I have been struggling for days to figure this one out. I have successfully implemented a form to submit posts from the front end of my site. ButI can't figure out how to make the image uploads work. ...
3
votes
2answers
2k views

How to display the_post_thumbnail if a post has one or otherwise display the first image in a post?

I would like to create a condition that checks to see if a post has a thumbail and if it does display it, otherwise display the first image in a post. I tried something like this in my loop.php but ...
3
votes
2answers
468 views

Add Image Dimensions to Media Library Tab on Media Upoader

I would like to add the dimensions of each image to the media library tab in the media uploader. I have a multi-author website, where I require users to add a featured image with minimum dimensions. ...
3
votes
2answers
3k views

How can I make post fields required in Wordpress?

I am setting up a Wordpress site as a CMS and trying to figure out a way to make certain post fields "required" before an author can publish a post. In particular, I want authors to be required to ...
3
votes
3answers
2k views

Check for featured image in WP_Query

Is there a way to filter posts by featured image when initialising a WP_Query object? Example $my_query = WP_Query(array("has_thumbnail"=>true)); or, more ideally $my_query = ...
3
votes
1answer
3k views

media_sideload_image generates blank?

I'm creating a custom post form that is supposed to take an external image and uploads it to the media library and attach it to that post. This should be possible by using media_sideload_image, but ...
3
votes
1answer
33 views

Add options to featured image

I want to add an option to the featured image metabox. I have found a way to do this here The problem I'm having is saving the value tot the database. Here is what I have tried: add_filter( ...
3
votes
1answer
420 views

In loop: posts have thumbnail AND other variables

I am looking to display posts that meet certain requirements. First and foremost, the idea is to show visitors the most viewed posts. I implemented that with some help. So, I got that working with the ...
3
votes
1answer
318 views

Featured Image Inherited from Parent Page

What I would like to do is have my parent page's featured images display, unless a child page has its own featured image, then I would like that image to become the featured image from that page and ...
3
votes
2answers
128 views

Change wording of default thumbnail metabox

I want to change the wording in the Default thumbnail metabox to 'Set default thumbnail' instead of 'Set featured image'. How can I do this?
3
votes
3answers
1k views

Specific featured image for each category

I´d like to set specific featured image for all posts in one category. So, if I have category Good Jokes, all posts in category Good Jokes will have the same featured image displayed in front page. ...
3
votes
2answers
2k views

Get featured image on Blog Index

I've been trying to use the "featured image" from the home (the blog index) with no luck. It's working for every single page, but it's not working for the home. The code looks something like this: ...
3
votes
1answer
3k views

Programatically creating image attachments from local URLs and setting featured image

I'm currently working on importing an MovableType blog into WordPress. The blog has several thousand posts, and each post has an image associated with it. The export file contains references to each ...
3
votes
1answer
2k views

How can I add the “Use as featured image” to a custom metabox?

I am implementing a custom Meta box that allows the user to add images via a simple file input field (based around code on this site: Meta Box Script). This code allows multiple images to be added as ...
3
votes
1answer
3k views

How to create thumbnails with a fixed width, so all of them will have the same width?

right now, a thumbnail will be either 150px in height or in width, depending if it's landscape or portrait. Is there a way to make them always the same width and scale them in height accordingly, ...
3
votes
2answers
686 views

Set featured image for multiple posts

Does anyone know how I can set an image as featured image for multiple posts. I have posts in a seri that I would like to use the same image as featured image. bulk edit doesn't have featured image ...
3
votes
1answer
1k views

Image uploader with “Set Featured Image” link on front end

I am loading upload-media.php file using thickbox on front end where user can upload images to the post. Question: How to I trigger the upload-media.php so the link "set featured image" shows up on ...
3
votes
1answer
13k views

wp_get_attachment_url( get_post_thumbnail_id($post->ID) ); Getting thumb from wrong loop

I am using a plugin which sets the thumbail for your fb share image. The src is <?php echo wp_get_attachment_url( get_post_thumbnail_id($post->ID) ); ?> Which was working fine, but not ...
3
votes
3answers
5k views

Getting custom-sized featured image's URL?

I'm adding additional image sizes to my theme: functions.php add_image_size( 'my-thumbnails', 122, 122, true ); I used to get thumbnails URL like this: ...