Message of featured image in wordpress
wordpress code / October 29, 2022
function add_featured_image_instruction($content) { global $post; $post_type = get_post_type(); if($post_type == 'c_news'){ $content .= '<p>Please upload 510 * 575 image size </p>'; } return $content; } add_filter( 'admin_post_thumbnail_html', 'add_featured_image_instruction');