You can make a query to loop through all the attachments, and then update the attachment info for each attachment in the while loop. Something like $args = array( ‘post_type’ => ‘attachments’, ‘post_status’ => ‘any’, ‘posts_per_page’ => -1, ) $query = new WP_Query($args) if($query->have_posts()): while($query->have_posts()): $query->the_post(); // 1. Get the attachment filename here and store … Read more
You can run a script that will programmatically set the featured image for each post. You can use the first attached image for this. To get the attached images run a query for the posts and loop through each one and use get_children() setting the post_parent to the current post id in your loop. $posts … Read more
The thumbnail size is based on the dimensions defined in WordPress Dashboard > Settings > Media, unless your theme overrides it. how can I make my theme override it? To change default post-thumbnail size, you need to use set_post_thumbnail_size. Add this in your functions.php file: if ( function_exists( ‘add_theme_support’ ) ) { add_theme_support( ‘post-thumbnails’ ); … Read more
Create an attachment template file within the theme. Since we are only interested in images, the file should be image.php <?php if ( have_posts() ) { the_post(); $image_url = wp_get_attachment_url(); } header(‘Location: ‘.$image_url); ?> Template Hierarchy
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
you can add a filter to the_content hook to strip the images something like: add_filter(‘the_content’, ‘strip_images’,2); function strip_images($content){ return preg_replace(‘/<img[^>]+./’,”,$content); }
This can be done using an Ajax call that will query the database and set the parent as “zero”. First, create a meta box, enqueue the Javascript that calls the unattach function and register this WP_Ajax function. <?php /* Plugin Name: Unattach Meta Box Version: 0.3 Author: brasofilo Plugin URI: http://wordpress.stackexchange.com/q/54822 */ add_action( ‘add_meta_boxes’, ‘wpse_54822_add_custom_box’ … Read more
My Media Categories plugin lets you categorize images, and in the latest update I’ve added to ability to pass a ‘category’ parameter to the standard gallery shortcode. So perhaps you could use the gallery shortcode to present your images on your front page. My next release will include the ability to filter the taxonomy that … Read more
Use this plugin to regenerate the images and check the posts . also check with inspect element to see if the images has 728×410 at the end after the regenerating .https://wordpress.org/plugins/regenerate-thumbnails/
There are two methods: get_post_meta() $attachment_meta = get_post_meta( $post->ID, ‘_wp_attachment_meta’, true ); Will return an array(): $width = $attachment_meta[‘width’]; That true as the third parameter is especially important in this case, since the metadata being queried is a serialized array. You need to return it as single, or you’re going to get an array returned, … Read more