WP删除文章同时删除缩略图和文章里的图片

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<?php
/*
Plugin Name: Custom Post Cleanup
Description: Deletes post thumbnail and embedded images when a post is deleted.
Version: 1.0
Author: Your Name
*/

function delete_attached_images($post_id) {
    // Get the post thumbnail ID
    $thumbnail_id = get_post_thumbnail_id($post_id);

    // Delete the post thumbnail
    if ($thumbnail_id) {
        wp_delete_attachment($thumbnail_id, true);
    }

    // Get embedded image IDs using regex or a more complex logic
    $content = get_post_field('post_content', $post_id);
    $pattern = '/<img[^>]+src=[\'"]([^\'"]+)[\'"][^>]*>/';
    preg_match_all($pattern, $content, $matches);

    if (!empty($matches[1])) {
        foreach ($matches[1] as $image_url) {
            $attachment_id = attachment_url_to_postid($image_url);
            if ($attachment_id) {
                wp_delete_attachment($attachment_id, true);
            }
        }
    }
}

// Hook into post deletion action
add_action('before_delete_post', 'delete_attached_images');

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