In your theme’s functions.php file: /* register new image size * 200px wide and unlimited height */ add_image_size( ‘wpse73058’, 200, 9999, false ); In a template or the like: if ( has_post_thumbnail() ) { the_post_thumbnail( ‘wpse73058’ ); }
In my opinion the built in <?php add_image_size( $name, $width, $height, $crop ); ?> function is much more flexible, easy and with less overhead. It does resize-crop, so I don’t see a reason to go back to TimThumb (which I used extensively in the past).
You should use one of the following: // Thumbnail wp_get_attachment_thumb_file( $GLOBALS[‘post’]->ID ); // Custom wp_get_attachment_image_src( $attachment_id, $size=”my-thumbnails” ); // Or: wp_get_attachment_image( $attachment_id, $size=”my-thumbnails” );
This is explained in the core ticket #12554. Change label in UI for Post Thumbnail and Page Image to “Featured Image” for both We should change the UI label for the post thumbnail box on post and page editor screens. It’s post thumbnail for posts, and page image for pages, but it’s not always a … Read more
try: global $post; if (has_post_thumbnail( $post->ID ) ){ // get_the_post_thumbnail($post->ID); // }
Firstly, reverse the order in your conditional. You should use if ( false == $stop ) { … It’s called a “Yoda conditional” and is on the list of best practices for WP code. Secondly, media_sideload_image won’t return a WP error object if things fail. If things fail, it will return the ID of the … Read more
Unsetting sizes can normally be done easily via intermediate_image_sizes_advanced hook. The only problem is, there is only the $sizes array available, so this sufficient for a general level, but not if you want to do this conditionally. The information needed to do it conditionally can be gathered with debug_backtrace – debug_backtrace is performance-wise somewhat expensive … Read more
You are misreading the Codex. wp_get_attachment_image_src() works just fine with custom image sizes. Proof of concept: // copied from the Codex // https://codex.wordpress.org/Function_Reference/add_image_size if ( function_exists( ‘add_image_size’ ) ) { add_image_size( ‘category-thumb’, 300, 9999 ); //300 pixels wide (and unlimited height) add_image_size( ‘homepage-thumb’, 220, 180, true ); //(cropped) } Add an image to the Library, … Read more
Use the oembed_dataparse filter to modify the resulting HTML output by any given oembed call. Example: add_filter(‘oembed_dataparse’,’test’,10,3); function test($return, $data, $url) { if ($data->provider_name == ‘YouTube’) { return “<img src=”https://wordpress.stackexchange.com/questions/19500/{$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
I needed just this for a recent project, so here’s my plugin! The code should be self-explanatory, but if there are any questions ask away. <?php /** * Plugin Name: oEmbed Featured Image * Plugin URI: http://wordpress.stackexchange.com/q/70752/1685 * Description: Automatically set the featured image if an oEmbed-compatible embed is found in the post content. * … Read more