Add Additional File Info (jpeg compression & file size) settings to Edit Images Screen

2 comments

1. You can try to use the attachment_submitbox_misc_actions filter to add more info to the box. Here is an example for the filesize part:

   

   add_action( 'attachment_submitbox_misc_actions', 'custom_fileinfo_wpse_98608' );
   function custom_fileinfo_wpse_98608(){
       global $post;
       $meta = wp_get_attachment_metadata( $post->ID );
       $upload_dir = wp_upload_dir();
       $filepath = $upload_dir['basedir']."/".$meta['file'];
       $filesize = filesize($filepath);
       ?>
       <div class="misc-pub-section">
           <?php _e( 'File Size:' ); ?> <strong><?php echo $filesize; ?> </strong> <?php _e( 'bytes' ); ?>             
       </div>
   <?php
   }
   

   The default file info is displayed with the attachment_submitbox_metadata() function through this action:

   add_action( 'attachment_submitbox_misc_actions', 'attachment_submitbox_metadata' );
   

   in the file /wp-admin/includes/media.php

2. This 2 functions will work with custom mime uploaded files (like PSD, EPS) when meta not avaible. It also returns more then just a lot of bytes, means, 2 decimal logic unit. The 99 places the info last in the meta box.

   // Helper
   function ua_formatBytes($bytes, $precision = 2) { 
           $units = array('B', 'kB', 'mB', 'GB', 'TB'); 
           $bytes = max($bytes, 0); 
           $pow = floor(($bytes ? log($bytes) : 0) / log(1024)); 
           $pow = min($pow, count($units) - 1); 
           $bytes /= (1 << (10 * $pow)); 
   
           return round($bytes, $precision) . ' ' . $units[$pow]; 
   } 
   
   // Hooked
   function ua_admin_custom_filesize_on_edit_media_screen() {
           global $post; // $post = get_post();
           $filesize = @filesize(get_attached_file($post->ID));
   
           if ( ! empty( $filesize ) && is_numeric( $filesize ) && $filesize > 0 ) : ?>
                   <div class="misc-pub-section">
                           <?php _e( 'File size:' ); ?> <strong><?php echo ua_formatBytes( $filesize ); ?></strong>
                   </div>
           <?php
           endif;
   }
   add_action( 'attachment_submitbox_misc_actions', 'ua_admin_custom_filesize_on_edit_media_screen', 99 );
   

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