Ticket #1671: 1671.3.patch

inc/user-content.php

@@ -62 +62 @@
          */
         public static function scripts_and_styles() {
                 if ( is_singular() ) {
-                        if ( '0' != get_comments_number() || \DevHub\post_type_has_source_code() || wporg_is_handbook_post_type() ) {
+                        $is_handbook_post_type = function_exists( 'wporg_is_handbook_post_type' ) ? wporg_is_handbook_post_type() : false;
+
+                        if ( '0' != get_comments_number() || \DevHub\post_type_has_source_code() || $is_handbook_post_type ) {
                                 wp_enqueue_script( 'wporg-developer-function-reference', get_template_directory_uri() . '/js/function-reference.js', array( 'jquery', 'syntaxhighlighter-core', 'syntaxhighlighter-brush-php' ), '20150319', true );
                                 wp_enqueue_style( 'syntaxhighlighter-core' );
                                 wp_enqueue_style( 'syntaxhighlighter-theme-default' );

searchform.php

@@ -34 +34 @@
 <?php } ?>
 
         <?php
-                $is_handbook = wporg_is_handbook();
+                $is_handbook = function_exists( 'wporg_is_handbook' ) ? wporg_is_handbook() : false;
                 $search_url  = $is_handbook ? wporg_get_current_handbook_home_url() : home_url( '/' );
                 $form_class  = $is_handbook ? ' searchform-handbook' : '';
         ?>