If I understand the question correctly, you want to generate test.jpg test-150×150.jpg instead of just: test.jpg when you upload an image called test.jpg, of size 150×150, the same as the thumbnail size. (I used the 150×150 size here instead of your 300×200 to avoid confusing it with the medium size) This restriction is implemented in … Read more
I made a shortcut to my image by adding it directly to the API response. //Add in functions.php, this hook is for my ‘regions’ post type add_action( ‘rest_api_init’, ‘create_api_posts_meta_field’ ); function create_api_posts_meta_field() { register_rest_field( ‘regions’, ‘group’, array( ‘get_callback’ => ‘get_post_meta_for_api’, ‘schema’ => null, ) ); } //Use the post ID to query the image and … Read more
There is a deault feature available on WP to crop image once you upload. You can edit the image you upload and can crop image with you preferences. How to crop rotate scale and flip images in wordpress WordPress by default is designed to generate 3 types of cropping of any uploaded images (Media) automatically … Read more
You can use the filter hook sanitize_file_name for change the string. But I have no knowing about the check for the size image, but you get the string and can check for the values inside the string.
As mentioned by Rahil Wazir, take that code snippet <?php the_post_thumbnail(); ?> away from single.php. Put following in your functions.php (at the bottom) add_filter(‘the_content’, ‘put_thumbnail_in_posting’); function put_thumbnail_in_posting($content) { global $post; if ( has_post_thumbnail() && ( $post->post_type == ‘post’ ) ) { the_post_thumbnail( ”, array( ‘style’ => ‘float:left;margin:15px;’ ) ); } return $content; } Change the … Read more
I think you’ve hit interesting logic issue in image_get_intermediate_size(). This function loops through available images and tries to find best possible match for custom dimensions you provided. First it attempts to find image as per comment in code: // already cropped to width or height; so use this size See the issue? Not image, perfectly … Read more
You can filter ‘admin_post_thumbnail_html’ and replace the img element with a new one in the size you need. Everything else will get messy and might lead to side effects. Filtering image_downsize while watching for a size of 266×266 might affect images that are not meant to be shown in the metabox. Changing the size for … Read more
Use get_the_post_thumbnail() instead. It allows you to pass in an array of attributes for the image tag that gets returned. For example: $attr = array( ‘id’ => ‘YOUR-UNIQUE-ID’, ); echo get_the_post_thumbnail( $id, ‘thumbnail’, $attr ); EDIT: I’m dumb. the_post_thumbnail() also lets you do that. Try passing the same args array I outlined as the second … Read more
To get the “Use as featured Image” link you have to pass post_id to the media-upload.php file with the url so the request will be changed to: var post_id = 234 // retrive the post id via php var request = url.media_upload+’?post_id=’+post_id+’type=image&TB_iframe=true’; Make sure you add the post_id very first of the url. It didn’t … Read more
You could hook into the publish_post action, check if a featured image has been set, and if not, assign the image you want as the featured image. The publish_post Codex page has a nice example about changing a post after it has been published.