It is possible by using the plugin: http://wordpress.org/extend/plugins/download-shortcode/ I am here to assist you since I am using the same functionnality in my website (force dowloading of post attachements)
See my question and answer again, you linked it already in your question: simple solution for restricting access to (some) uploads/downloads The solution isn’t that hairy the only necessity – besides configuring the plugin correct – is to create a .htaccess, which you could do programmatically. For that you have to automate the creation of … Read more
For unattached images, the post_parent column in the wp_posts table, has the value of 0. Your gallery shortcode in that case is: which means you are calling get_children() with post_parent as 0. You can e.g. use the gallery shortcode callback gallery_shortcode() directly: if( $parent_id = $post->post_parent ) { echo gallery_shortcode( [ ‘id’ => (int) $parent_id, … Read more
This should hopefully do the trick: /** * Append the image categories to the current image class. * * @see http://wordpress.stackexchange.com/a/156576/26350 */ add_filter( ‘get_image_tag_class’, function( $class, $id, $align, $size ) { foreach( (array) get_the_category( $id ) as $cat ) { $class .= ‘ category-‘ . $cat->slug; } return $class; } , 10, 4 ); Testing … Read more
The post that an attachment is related to is determined by the post_parent column on the wp_posts table (depending on your database prefix). Set it to the post_ID of the parent post.
Do I understand right that you mean featured thumbnail image for a post and not just any attached image? See get_the_post_thumbnail() function and your usage will be something like this: $output .= get_the_post_thumbnail( $authors_post->ID );
I’m not entirely sure what your intentions are for the code, and unfortunately i didn’t find what you provided worked very well, so i rewrote parts of the code supplied to make it into a more workable solution. This code will work for saving the attachment order in the metabox on save, not via ajax, … Read more
You can set the uploaded image as the post thumbnail via, update_post_meta($post_id,’_thumbnail_id’,$attach_id); Example… if ($_FILES) { foreach ($_FILES as $file => $array) { if ($_FILES[$file][‘error’] !== UPLOAD_ERR_OK) { return “upload error : ” . $_FILES[$file][‘error’]; } $attach_id = media_handle_upload( $file, $post_id ); } } update_post_meta($post_id,’_thumbnail_id’,$attach_id); If you are uploading an array of images, then you … Read more
Yes you can do this! Is it simple/easy? Sort of… Is it fast and scalable? Oh dear god no 😱. The Super Expensive Solution The solution here is this function: $post_id = url_to_postid( $url ); The problem is that this is a very slow function that’s expensive to call. If you call this when displaying … Read more
Maybe this works function remove_post() { if(isset($_POST[‘post_id’]) && is_numeric($_POST[‘post_id’])) { $post = get_post($_POST[‘post_id’]); if(get_current_user_id() == $post->post_author) { $args = array( ‘post_parent’ => $_POST[‘post_id’] ); $post_attachments = get_children($args); if($post_attachments) { foreach ($post_attachments as $attachment) { wp_delete_attachment($attachment->ID, true); } } wp_delete_post($_POST[‘post_id’], true); } } exit; } The code added function get_attachment_id_from_src ($image_src) { global $wpdb; $query = … Read more