Ticket #22532: 22532.patch

wp-includes/media.php

@@ -1235 +1235 @@
  */
 function wp_prepare_attachment_for_js( $attachment ) {
         if ( ! $attachment = get_post( $attachment ) )
-           return;
+                return;
 
         if ( 'attachment' != $attachment->post_type )
-           return;
+                return;
 
         $meta = wp_get_attachment_metadata( $attachment->ID );
-        list( $type, $subtype ) = explode( '/', $attachment->post_mime_type );
+        if ( false !== strpos( $attachment->post_mime_type, '/' ) )
+                list( $type, $subtype ) = explode( '/', $attachment->post_mime_type );
+        else
+                list( $type, $subtype ) = array( $attachment->post_mime_type, '' );
 
         $attachment_url = wp_get_attachment_url( $attachment->ID );