Perhaps use set_post_thumbnail()? (Codex ref.) EDIT To get the attachment ID using the Post ID: // Associative array of attachments, as $attachment_id => $attachment $attachments = get_children( array(‘post_parent’ => $post->ID, ‘post_status’ => ‘inherit’, ‘post_type’ => ‘attachment’, ‘post_mime_type’ => ‘image’, ‘order’ => ‘ASC’, ‘orderby’ => ‘menu_order ID’) ); $attachment = $attachments[0]; // ID of your single, … Read more
Method 1: Set Default Fallback Image for Post Thumbnails Using Plugin This method is easier and recommended for all users. First thing you need to do is install and activate the Default Featured Image plugin. https://wordpress.org/plugins/default-featured-image/ Method 2: Add Fallback Image as Post Thumbnail Manually Your theme’s images folder is located inside /wp-content/themes/yur-theme/ folder. If … Read more
You could do this via PHP instead of SQL, just get the existing metadata and change what you need to, it will handling the serializing for you: $newwidth=”250″; // or whatever it is $attachments = get_posts(array(‘post_type’=>’attachment’); foreach ($attachments as $attachment) { $id = $attachment->ID; $metadata = wp_get_attachment_metadata($id); $metadata[‘width’] = $newwidth; wp_update_attachment_metadata($id,$metadata); } But really, you … Read more
You can perform a combination of things to accomplish a smaller file size. Let me guide you through it. Firstly, you could add custom image sizes and adjust the dimensions to the very smallest for their purpose. Put the following in your functions file: function my_insert_custom_image_sizes( $sizes ) { // get the custom image sizes … Read more
After 5 hours of searching finally I wrote the SQL query and that is- DELETE FROM {$wpdb->postmeta} WHERE post_id IN (SELECT post_id FROM (SELECT post_id FROM {$wpdb->postmeta} WHERE meta_key LIKE ‘_thumbnail_id’ AND post_id IN(SELECT post_id WHERE meta_key LIKE ‘rafi’)) AS s) I saw your answer above, but using this kinda SQL query for this kinda … Read more
Warning (or note to other readers): Lots of JavaScript code ahead.. in fact, there’s no PHP here. So I hope you already have some JavaScript skills prior to reading this answer. 🙂 Thanks! I’ve also got a filter in place that sets the script type of my .js file to text/babel so JSX interprets correctly. … Read more
The core problem that you’re running into is that WordPress isn’t actually doing anything to your images, because it doesn’t upscale images. You can use hooks to modify WordPress’ behavior without hacking core, or you can try to fix the issue with CSS. Changing WordPress to Upscale Thumbnails ALXMedia has an useful example on adding … Read more
I think you want wordpress setting for media for medium size their are get_option(‘medium_size_w’);//width get_option(‘medium_size_h’);//height all setting store in options table.get more media setting
If I am reading your question correctly, the problem is that when you set a page so that it has a an archive Loop on it $wp_query and the $posts variable are set to for the index Loop and not for the page the are on. To get information about that page you need get_queried_object. … Read more
try to work this into your query: ‘meta_key’ => ‘_thumbnail_id’ http://codex.wordpress.org/Class_Reference/WP_Query#Custom_Field_Parameters