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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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: ...
3
votes
2answers
1k views

Linking thumbnail to full size image

I use a function in my blog (getImage) to call thumbnails in the loop (it calls the 1st image on the post) but instead of link to the post, i would want the thumbnail to link to its full image src. ...
3
votes
2answers
555 views

how to test for attached image

I am trying to find out whether or not a post has images. If it does, I then want to know if a featured image was specified for the thumbnail - if not, the get_thumb() function will assign an image ...
3
votes
1answer
462 views

Double thumbnails?

is it possible to use the thumbnail mechanic twice? I find the thumbnail API really useful for allowing users to place in there own graphics, so that I can control size and position easily. All they ...
3
votes
1answer
95 views

Featured image shortcode

Each post currently requires the featured image to be duplicated within the post several times. Is there any way in which I could dynamically call the featured image back into the post rather than ...
3
votes
4answers
4k views

How can I display my featured image correctly inside my single posts?

Here is what I have tried: 1) Added add_theme_support('post-thumbnails'); in functions.php. 2) Added <?php the_post_thumbnail(); ?> inside single.php which looks like this: <?php /** * ...
3
votes
0answers
141 views

the_post_thumbnail responsive srcset not populating with custom image size

I am trying to use the new responsive images feature in Wordpress 4.4 but I keep running into a particular problem when trying to use the_post_thumbnail with a custom image size. It seems I cannot ...
3
votes
3answers
187 views

Can WordPress crop only the post thumbnails?

I'm using the post thumbnails feature of WordPress and I have several sizes defined in functions.php. Everything's fine, it works great with Crop Thumbnail to crop them perfectly. I have a question ...
3
votes
1answer
155 views

How to change the naming of the resized image files

Now with custom image sizes Wordpress is almost as powerful as timThumb / phpThumb. There is one problem however. The way Wordpress handles the resized images are chaotic and doesn't survive theme ...
3
votes
1answer
2k views

How to get featured post title & image using JSON API?

Is there any possibility to get featured post title and image using the JSON API. I tried using this: example.com/?json=the_post_thumbnails&count=3 But instead of recent posts, I get featured ...
3
votes
1answer
614 views

Custom post type thumbnail / Media Library WP_DEBUG notice [closed]

My custom post type thumbnail appears to be working correctly. However, when I return to edit one of my species profiles (in the Admin area, not talking about the front-end here), the following text ...
2
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3answers
12k views

How come Featured Image isn't showing up in my Custom Post Type?

I have thumbnail support added with the following in my functions.php // Add Thumbnail Support add_theme_support('post-thumbnails'); set_post_thumbnail_size( 140, 140, true ); And I create the ...
2
votes
2answers
5k views

How can I get the title attribute from get_the_post_thumbnail()?

In my theme I want to display the featured image, but I also want to display the title attribute (of the image, not of the post/page) beside the image itself. Is there a simple way to do this? Where ...
2
votes
3answers
7k views

How to set featured image to custom post from outside programmatically

I am trying to fetch and insert images outside the wordpress environment to a custom post via PHP. How to move/upload that image to wordpress upload directory year date folder format just like ...
2
votes
3answers
3k views

the_post_thumbnail fallback using hooks

I am using this big theme that is almost entirely relying on widgets and sliders. Now I trying to avoid looking for post_thumbnail output code in all the included files in order to achieve fallback ...
2
votes
2answers
388 views

How to handle thumbnails

How should I handle post thumbnails? Do most people put them in custom fields? Use a plugin? How do themes on ThemeForest handle this? Also different theme will have different size requirements? So ...
2
votes
1answer
6k views

How to crop thumbnail height to auto with set width

I'm looking for a way to only set the width of a thumbnail size and let the height set auto. So if I have two images. One is 600px/420px and one is 600px/600px. I want to set only the width of the ...
2
votes
2answers
13k views

Get Featured Image via direct sql query

I know you can use the wordpress methods for getting a featured image, however with this particular project I need to get the featured image via mysql query. Can anyone point me in the right ...
2
votes
3answers
4k views

Showing a placeholder/default img, if no featured image is set

I need to modify the following code to show a placeholder if there is no featured image available. I understand that I need to add a if statement in the following code but wasn't sure of the exact ...
2
votes
2answers
11k views

Featured Image Panel Missing From Custom Post Type in Wordpress 3.2

Upgraded to 3.2 from 3.1 and lost the featured image panel in admin that was running in a custom post type. add_action( 'init', 'create_my_post_types' ); function create_my_post_types() { ...
2
votes
2answers
7k views

How to remove “featured image” functionality from a custom post type?

I have made a custom post type for a child theme. I removed "thumbnail" from the supports array in functions.php and that prevents a featured image meta box from being displayed. However, when in the ...
2
votes
2answers
2k views

Displaying Child pages of the current page in post format and their thumbnails (featured image)?

I'm using the following code I got from the Wordpress codex: <?php // Displaying Child pages of the current page in post format $mypages = ...
2
votes
1answer
289 views

Skip posts without a thumbnail in loop

I want skip every post that has no thumbnail. The code does not work properly yet. Actually the script doesn't show posts without a thumbnail - that's good, but in the loop the post with no thumbnail ...
2
votes
2answers
2k views

How to scale up post thumbnails/featured image?

Is there a way to scale up post thumbnails on Wordpress? On a featured div I want a post thumbnail/featured image with 584×348 px. When I upload a smaller image as a featured image on a post, it ...
2
votes
2answers
594 views

Resizing Images to lower Disk Space Using Plugins

I'm trying to take existing images and shrink the file size down by resizing to photos to a smaller resolution. I've tried a few methods so far: Simply editing the photo in photoshop and reuploaded, ...
2
votes
1answer
5k views

Convert uploaded PNG to JPEG automatically

Is there a way to convert automatically uploaded PNGs to JPEGs and keep the original? In other words, let the user upload a PNG, but show in wordpress (thumbnails, large, medium, etc) the JPEG version ...
2
votes
2answers
2k views

How to change post thumbnail title and alt attributes to post title?

Can we change the title and alt attributes of the_post_thumbnails and set them to post title instead ? like creating a function for it and adding a filter ? I tried searching but I can't seem to find ...
2
votes
1answer
512 views

Add a featured image in my theme?

I'd like to add a Featured image to a default article or a Custom Type Post in my theme but I don't get the area of the highlight image, why? In the default theme the option is present but not in my ...
2
votes
1answer
3k views

Can I refresh the thumbnails programmatically?

I would like to be able to refresh the thumbnail cache programmatically, not sure where to hook it, but at present any design changes mean re-uploading loads of images!
2
votes
3answers
1k views

Download an image from a webpage to the default uploads folder

I am writing a custom theme/plugin in which I need to download images programatically from certain webpages to the upload folder and then insert them as part of the post. So, I was able to find the ...
2
votes
2answers
298 views

Setting featured image with function, 1 part not working

I'm trying to set a post's featured image based on custom fields. There are different types of posts and therefore the featured image should be set depending on which custom fields have been filled ...
2
votes
1answer
370 views

Adding a custom field or metabox to the post-thumbnail widget?

Is it possible to add a custom field to an existing "widget" in the backend? What I wanna do is provide a way to have a checkbox to apply a thumbnail that is double the size of the normal one on the ...
2
votes
3answers
5k views

How do I add the featured image to the_content after the first paragraph?

My problem: I'm trying to create a filter that will add the featured image of a post to the_content, so that I can have the first paragraph of the_content displayed before this image. What I basicly ...
2
votes
3answers
2k views

How to change the height of featured image in Twenty Eleven child theme

I am trying to change the height of my featured image to 350px in my child theme for Twenty Eleven. Can anyone help?? Note: I am using Twenty Eleven and there is no functions.php file in my child ...
2
votes
1answer
211 views

Why are extra 92 pixel square thumbnails created?

Disabling this WordPress feature which automatically generates various sizes of an uploaded image, is normally as simple as going to WordPress Dashboard > Settings > Media screen and changing all ...
2
votes
1answer
1k views

Change Output for Images in Content

I want to wrap some html (divs and classes) around the tag (to create the appearance of photo corners by way of an image sprite). Basically, I want to re-write all tags added by WP in the content ...
2
votes
1answer
4k views

Show current page featured image in sidebar

How do I call the current post's featured image in the sidebar? and if there is none, then a backup image?
2
votes
1answer
58 views

Get original image from thumbnail URL

I am using a method to find the first image included in a post's content to display as it's thumbnail (a little hacky, but it works). However, some authors add small sized images, and since this ...
2
votes
2answers
84 views

Query sticky posts with thumbnails

I need to display max 5 latest sticky posts that have a thumbnail. And I need to have accurate counting of the displayed posts. I've tried to exclude sticky posts without a thumbnail with meta_query, ...
2
votes
1answer
117 views

Remove dimensions from filename featured image

I have a problem with a featured image. It's a gif, but when I add it, Wordpress adds the dimensions to the filename, which breaks the gif (since then it's not really a gif anymore). Is there a way ...
2
votes
1answer
920 views

Retrieve featured image (thumbnail) url from multiple posts with one query

I have a list of post ids and need to get all the standard data plus the thumbnail of the posts. As there will be several hundred posts i need an efficient way to retrieve the data, just looping over ...
2
votes
1answer
14k views

wp_get_attachment_image_src() and custom sizes

As said in this page, wp_get_attachment_image_src()only accepts built-in sizes such as thumbnail, medium, large or full. How do you get the same return value with custom sizes you add with ...
2
votes
1answer
70 views

Require a featured image to publish post

I have a multi author WordPress blog. I'd like to allow publishing of a post only when a featured image is set. How can that be done?
2
votes
1answer
1k views

Can a thumbnail of an animated gif be animated?

I have an animated gif I want to show in two places, having two different sizes. I am creating two sizes in my functions.php, using add_image_size( 'small-feature', 500, 300 ); add_image_size( ...
2
votes
2answers
250 views

User facing form to upload image on wordpress

I have a client who bought a wordpress theme that is built for posting job listings, a user can create an account and then post job listings but my client wants it converted to post Wheel listings ...
2
votes
2answers
2k views

Cropped thumbnail still displaying as full image

Steps to reproduce... 1) Add to functions.php: add_image_size( 'half-size', 200, 200, false ); 2) Add to template file (inside loop): <a href="<?php the_permalink(); ?>" title="<?php ...
2
votes
2answers
2k views

Delete Post From Front-End and attachment permanently

Is there a way to delete a Post From Front-End and it's attachments permanently? This is a snippet that moves the post to the trash can, but it doesn't remove attached images (they remain on the ...
2
votes
1answer
3k views

adding an id to the_post_thumbnail

I'm attempting to use the 'feature image' feature of Wordpress to make a full screen background, that resizes to fit the browser window using jQuery The bit I'm stuck on is adding a custom id ...
2
votes
1answer
41 views

Cannot get full thumbnail size using the_post_thumbnail

I cannot get the full (unmodified) image size using the_post_thumbnail( 'full' ); I have also tried: the_post_thumbnail(); It still returns the cropped image. I can see that the unmodified ...
2
votes
2answers
82 views

How to Set Featured image In Wordpress without Showing it into Post?

I just want to set featured image of my post but don't want to show it in my post. How can I do that? Detailed : I want to post to show its thumbnail in main page but not to show it when we expend ...