[wp-trac] [WordPress Trac] #39974: Grid Mode Doesn't Load Files - Infinite Loading

[WordPress Trac]

#39974: Grid Mode Doesn't Load Files - Infinite Loading
--------------------------------+-----------------------------
 Reporter:  Peter Westerlund    |      Owner:
     Type:  defect (bug)        |     Status:  new
 Priority:  normal              |  Milestone:  Awaiting Review
Component:  Media               |    Version:  4.7.2
 Severity:  normal              |   Keywords:
  Focuses:  ui, administration  |
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 In Admin > Media Library, files won't load when viewing in grid mode. But
 is showing in list mode.

 - I have tried re-installing Wordpress except /wp-content and wp-
 config.php. Did not helped.
 - Have activated wp_debug, but couldn't see any related errors
 - Have tried removing all the code from functions.php
 - Have tried activate another theme

 Nothing is helping. I suspect something has got into the database and
 destroying this functionality.

 A moment before this happened I were adding this code to function.php:

 {{{#!php
 <?php
 function save_nb_image()
 {
     global $wpdb;

             $id = $_POST['id'];
             $file = wp_get_attachment_url($id);

                 if ( !is_wp_error($id) )
                 {
                     $meta = wp_generate_attachment_metadata($id, $file);
                     $meta = nb_image_crop($meta);
                     wp_update_attachment_metadata($id, $meta);
                 }

     wp_die();
 }
 add_action( 'wp_ajax_nb-image-autofix', 'save_nb_image' );
 }}}

 And then clicking on the "Autofix" button. I have later found out that
 wp_get_attachment_url() wasn't the right function to use. That outputted a
 lot of code that I suspect is the image in code format. The right function
 to use is get_attached_file(). However, the Media Library Grid Mode is
 still not working.

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Ticket URL: <https://core.trac.wordpress.org/ticket/39974>
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