This is bug #31071: media / post_mime_type related queries are very slow on larger sites. It should have been fixed for version 4.8 now. You can try it on a test site that is a mirror of your production site. There are some very interesting ideas in that bug discussion. See if you can use … Read more
Here’s my solution for creating an attachment ID with a temporary title and the post_parent which it is attached to. My jQuery psuedo code, without the needless stuff: jQuery(‘.addImage’).live(‘click’, function() { jQuery.ajax({ type: ‘post’, url: ajaxurl, data: { action: ‘save_attachment’, _ajax_nonce: jQuery(‘#nonce_add’).val(), post_parent: jQuery(‘#post_ID’).val(), attach_title: ‘Attachment ‘ + size }, success: function( res ) { … Read more
Your code only works if you are actually calling wp_get_attachment_link() somewhere in your template. If you’re not calling the function, then the apply_filters() inside the function will never get called, and therefore your code will have nothing into which to hook.
The $page_id variable wasn’t defined in category.php so I changed as seen below: $background_image = get_post_meta( $post->ID, ‘mb_background_image’, true );
no problem to have 2 or more post thumbnails of different sizes. but what is the “ref” attribute ? do you mean “rel” ? anyhow – example from the :codex <?php if ( has_post_thumbnail()) { $large_image_url = wp_get_attachment_image_src( get_post_thumbnail_id(), ‘large’); echo ‘<a href=”‘ . $large_image_url[0] . ‘” title=”‘ . the_title_attribute(‘echo=0’) . ‘” >’; the_post_thumbnail(‘thumbnail’); echo … Read more
Navigate to: Dashboard -> Settings -> Media Check this box: Organize my uploads into month- and year-based folders. Save changes. then Navigate to: Dashboard -> Settings -> Permalinks Select “Post name” under “Common Settings” Save changes. As far as styling an attachment page, you can either open up your page template file, and add a … Read more
You’re going about this the right way … Your query is like a loop … so to limit total images you’d need to add them all to an array first, and then how would you determine how to limit the total eg what if one page had 50 images and the next page had 1 … Read more
I’m in the process of developing a media tools plugin. One of the tools is an import as attachment that goes through the content of all your posts, pages or custom post types and imports and attaches the images to the media library. It also changes the url referenced in the content to the new … Read more
Query_posts and attachments
WP_Query Attachment adds additional attachment count and need to link attachment to post url