You also need to add it to image size chooser.You can do so using the filter image_size_names_choose. add_filter( ‘image_size_names_choose’, ‘wpse_228675_custom_size’ ); function wpse_228675_custom_size( $sizes ) { return array_merge( $sizes, array( ‘image_horizontal’ => __(‘Custom image size’), ) ); }
By default, when you upload an image via the admin, it’s metadata is added to the database, and that’s how you can search through them in the media library etc. If you upload images via ftp then they won’t appear in the DB so won’t show up in the admin area. Use a plugin such … Read more
Imagify will resize images on upload, keep the original, AND optimize all thumbnail sizes at upload time. Best all-in-one solution I’ve found.
Is there are better way to change this (annoying) variable please? The Twenty Sixteen theme provides you with the twentysixteen_content_width filter, where the default is 840. To modify it you should be able to use this within your child theme’s functions.php file: add_filter( ‘twentysixteen_content_width’, function( $content_width ) { // Override the default 840 content width … Read more
Suppose you haven’t modified anything to change the default content output, maybe this can help: add_filter(‘the_content’, function($content) { $content = preg_replace(‘~^<p><img([^>]+)></p>~i’, ”, $content, 1); return $content; }, PHP_INT_MAX);
To provide an answer to your first question and for future reference to tackle the problem you described with the slug already being in use when you first uploaded an attachment to the same parent. The following code will get rid of this ‘annoying’ thing (annoying in some use cases). This code rewrites the slug … Read more
You could try the following, I havent tested it, so look out for typos or errors: $all_posts = get_posts(array( ‘numberposts’ => – 1, ‘post_status’ => ‘any’, ‘post_type’ => get_post_types(”, ‘names’) , )); foreach($all_posts as $all_post) { delete_post_media($all_post->ID); } function delete_post_media($post_id) { if (!isset($post_id)) return; elseif ($post_id == 0) return; elseif (is_array($post_id)) return; else { $attachments … Read more
Use PHP // Check that the nonce is valid, and the user can edit this post. if (isset( $_POST[‘my_image_upload_nonce’] ) && wp_verify_nonce( $_POST[‘my_image_upload_nonce’], ‘my_image_upload’ ) ){ // Input type file name $image_input_name=”my_image_upload”; // Allowed image types $allowed_image_types = array(‘image/jpeg’,’image/png’); // Maximum size in bytes $max_image_size = 1000 * 1000; // 1 MB (approx) // Check … Read more
When you echo something, you need to be echoing the variable. You are using the_post_thumbnail_url, which in itself is already an echo statement. You should be using get_the_post_thumbnail_url instead. echo “<a class=”fancybox” rel=”group” href=”” . get_the_post_thumbnail_url( get_the_ID(), “full’ ) . “‘>”; EDIT: Also, missing the $post_id, fixed to include it in the function
You can register a new image size by using add_image_size() add_image_size( string $name, int $width, int $height, bool|array $crop = false ) Parameters $name (string) (Required) Image size identifier. $width (int) (Required) Image width in pixels. $height (int) (Required) Image height in pixels. $crop (bool|array) (Optional) Whether to crop images to specified width and height … Read more