Ticket #30874: media.patch

wp-includes/media.php

@@ -171 +171 @@
         $is_intermediate = false;
         $img_url_basename = wp_basename($img_url);
 
+        if( empty( $meta['sizes'][$size] ) && in_array( $size, get_intermediate_image_sizes() ) ) {
+
+                global $_wp_additional_image_sizes;
+                $upload_dir = wp_upload_dir();
+                $size = $_wp_additional_image_sizes[ $size ];
+                $file = $upload_dir['basedir'] . '/' . $meta['file'];
+
+                $intermediate = image_make_intermediate_size( $file, $size['width'], $size['height'], $size['crop'] );
+
+                $img_url = str_replace($img_url_basename, $intermediate['file'], $img_url);
+                $width = $intermediate['width'];
+                $height = $intermediate['height'];
+                $is_intermediate = true;
+
+                require_once ( ABSPATH . 'wp-admin/includes/image.php' );
+
+                $attach_data = wp_generate_attachment_metadata( $id, $file );
+                wp_update_attachment_metadata( $id, $attach_data );
+
         // try for a new style intermediate size
-        if ( $intermediate = image_get_intermediate_size($id, $size) ) {
+        }elseif ( $intermediate = image_get_intermediate_size($id, $size) ) {
                 $img_url = str_replace($img_url_basename, $intermediate['file'], $img_url);
                 $width = $intermediate['width'];
                 $height = $intermediate['height'];