Ticket #29137: editor_stylesheets-filter-2.diff

theme.php

@@ -1412 +1412 @@
  * @return array If registered, a list of editor stylesheet URLs.
  */
 function get_editor_stylesheets() {
+        /**
+         * Filter editor stylesheets output.
+         *
+         * If the filtered output isn't empty, it will be used instead of generating the stylesheets.
+         *
+         * @since 4.0.0
+         *
+         * @param array $array Empty variable to be replaced with stylesheets array.
+         */
+        $override = apply_filters( 'get_editor_stylesheets_override', array() );
+        if ( ! empty( $override ) ) {
+                return $override;
+        }
+
         $stylesheets = array();
         // load editor_style.css if the current theme supports it
         if ( ! empty( $GLOBALS['editor_styles'] ) && is_array( $GLOBALS['editor_styles'] ) ) {
@@ -1447 +1461 @@
                         }
                 }
         }
-        return $stylesheets;
+
+        /**
+         * Filter editor stylesheets output.
+         *
+         * @since 4.0.0
+         *
+         * @param array $stylesheets Stylesheets array output.
+         */
+        return apply_filters( 'get_editor_stylesheets', $stylesheets );
 }
 
 /**