If I understood correctly, you are trying to add, to every image embedded in a post gallery, a custom rel attribute and a title attribute based on the attachment caption. Instead of parsing the content, you can try to modify the anchor that wraps the images using the ‘wp_get_attachment_link’ filter. <?php function wpse221533_add_caption_title_to_content_gallery_image_attachments( $markup, $id, … Read more
It’s not your permalink settings, it’s the fact that foo.jpg was uploaded first and “stole” the slug foo – you need to change it to something else, then set your page slug. Go to Media > foo.jpg > Edit (if you are in grid view, you need to go to “Edit more details”) From this … Read more
You can use the Add From Server plugin.
This really has nothing to do with WordPress itself; WordPress is fully scalable with appropriate hardware. “the media selector freezes.” Do you mean the whole browser window? Or the popup media library window? The issue is going to be 1) the host server not having enough memory or bandwidth or CPU to display the page … Read more
Sounds like you need something like: add_filter(‘upload_mimes’, function ( $mimes = array() ) { $mimes[‘mobi’] = ‘application/x-mobipocket-ebook’; $mimes[‘epub’] = ‘application/epub+zip’; return $mimes; } ); to support the uploads, but you might have to adjust the mime types to your needs.
Modify how gallery.js builds the shortcode in tinyMCE?
The video player uses the $content_width variable, which you’ll find in functions.php within the theme. The $content_width defines the best fit for media on a particular theme, so this should be the best fit for twentyfourteen. You’d set your own value in your own theme.
It looks like you use the Jetpack Plugin with Photon function (WordPress.com photo CDN) https://jetpack.me/support/photon/ https://developer.wordpress.com/docs/photon/ You have to deactivate the Photon option in the Jetpack plugin settings.
Supposing that I’m interpreting your Question correctly… The thumbnails displayed in the new Media Uploader are already the medium sized ones, being constrained on the fly. So, it’s a matter of applying some CSS styling to increase their size. Maybe other style adjustments are necessary, this is just a proof of concept. add_action( ‘admin_head-post-new.php’, ‘style_thumbnails_wpse_81677’ … Read more
I’m not sure if this is exactly what you’re looking for, but you might want to check out: get_attached_media() and wp_get_attachment_url().