Ticket #38594: 38594.diff

src/wp-admin/includes/image.php

@@ -213 +213 @@
                         'large',
                 );
 
+                /**
+                 * Filters the image sizes generated for non-image mime types.
+                 *
+                 * @since 4.7.0
+                 *
+                 * @param array $fallback_sizes An array of image size names.
+                 */
+                $fallback_sizes = apply_filters( 'fallback_intermediate_image_sizes', $fallback_sizes, $metadata );
+
                 $sizes = array();
 
                 foreach ( $fallback_sizes as $s ) {
@@ -234 +243 @@
                                 $editor = wp_get_image_editor( $uploaded['path'] );
                                 unset( $uploaded['path'] );
 
-                                if ( ! is_wp_error( $editor ) ) {
+                                if ( ! is_wp_error( $editor ) && ! empty( $fallback_sizes ) ) {
                                         $metadata['sizes'] = $editor->multi_resize( $sizes );
                                         $metadata['sizes']['full'] = $uploaded;
                                 }