Ticket #2703: delete-filter.diff

wp-inst/wp-includes/functions-post.php

@@ -384 +384 @@
 
         if ( ! empty($meta['thumb']) ) {
                 // Don't delete the thumb if another attachment uses it
-                if (! $foo = $wpdb->get_row("SELECT meta_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value LIKE '%".$wpdb->escape($meta['thumb'])."%' AND post_id <> $postid"))
-                        @ unlink(str_replace(basename($file), $meta['thumb'], $file));
+                if (! $wpdb->get_row("SELECT meta_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value LIKE '%".$wpdb->escape($meta['thumb'])."%' AND post_id <> $postid")) {
+                        $thumbfile = str_replace(basename($file), $meta['thumb'], $file);
+                        $thumbfile = apply_filters('wp_delete_file', $thumbfile);
+                        @ unlink($thumbfile);
+                }
         }
 
+        $file = apply_filters('wp_delete_file', $file);
+
         if ( ! empty($file) )
                 @ unlink($file);