This is not possible, images must have real absolute sizes 🙂 A post thumbnail is essentially a different sized version of the image. While you can calculate how much for example 70% of 1024 is, and genereate a ~700px wide image, you cannot do this for each of your visitors. It would kill your host’s … Read more
@toscho is right, please do some research before posting your question. Here’s one peice of the puzzle that should get the ball rolling for you, courtesy of bavotasan.com. It finds the first image in the post and displays it. function getImage($num) { global $more; $more = 1; $link = get_permalink(); $content = get_the_content(); $count = … Read more
Set featured image from external URL
function show_all_thumbs() { global $post; $post = get_post( $post ); /* image code */ $images = & get_children( ‘post_type=attachment&post_mime_type=image&output=ARRAY_N&orderby=menu_order&order=ASC&post_parent=” . $post->post_parent ); if( $images ) { $i = 0; $images = array_reverse( $images ); foreach( $images as $imageID => $imagePost ) { unset( $the_b_img ); $the_b_img = wp_get_attachment_image( $imageID, “thumbnail’, false ); $thumblist .= ‘<a … Read more
Resize post thumbnail produces horrible image quality..Any help?
Can’t Set Featured Image [closed]
Use the oembed_dataparse filter to modify the resulting HTML output by any given oembed call. Example: add_filter(‘oembed_dataparse’,’test’,10,3); function test($return, $data, $url) { if ($data->provider_name == ‘YouTube’) { return “<img src=”https://wordpress.stackexchange.com/questions/79894/{$data->thumbnail_url}”>”; } else return $return; } Then putting this in a post: Will give you a picture of Rick Astley instead of a flash video of … Read more
we can solve this problem by creating a shortcode so that you can insert the featured image where ever you want through the editor itself.Shortcode is a keyword that we created.Any number of custom shortcodes can be created and used either in template or in editor as like wordpress default shortcodes like . write a … Read more
The first step is to loop through all the posts: $wpse87964query = new WP_Query(); Now, that will get all the posts; but we’re only interested in posts that don’t have a featured image set. WordPress stores the featured image via a post custom meta field: _thumbnail_id; so, we can use that in a meta query, … Read more
How to create resized versions of images added with wp_insert_attachment