Ticket #23819: 23819.2.2.diff

wp-content/themes/twentythirteen/inc/back-compat.php

@@ -1 +1 @@
 <?php
 /**
+ * Prevents Twenty Thirteen from running on WordPress versions prior to 3.6.
+ *
+ * Twenty Thirteen is meant to be not backwards compatible, since it relies on
+ * a lot of new functions and markup changes that were introduced in 3.6.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+
+/**
  * Prevent switching to Twenty Thirteen on old versions of WordPress. Switches
  * to the previously activated theme or the default theme.
+ *
+ * @since Twenty Thirteen 1.0
+ *
+ * @param string $theme_name
+ * @param WP_Theme $theme
+ * @return void
  */
 function twentythirteen_switch_theme( $theme_name, $theme ) {
         if ( version_compare( $GLOBALS['wp_version'], '3.6-alpha', '>=' ) )
@@ -17 +34 @@
 }
 add_action( 'after_switch_theme', 'twentythirteen_switch_theme', 10, 2 );
 
+/**
+ * Prints an update nag after an unsuccessful attempt to switch to
+ * Twenty Thirteen on WordPress versions prior to 3.6.
+ *
+ * @since Twenty Thirteen 1.0
+ *
+ * @return void
+ */
 function twentythirteen_upgrade_notice() {
         $message = sprintf( __( 'Twenty Thirteen requires at least WordPress version 3.6. You are running version %s. Please upgrade and try again.' ), $GLOBALS['wp_version'] );
         printf( '<div class="error"><p>%s</p></div>', $message );
-}
- No newline at end of file
+}
+
+/**
+ * Prevents the Customizer from being loaded on WordPress versions prior to 3.6.
+ *
+ * @since Twenty Thirteen 1.0
+ *
+ * @return void
+ */
+function twentythirteen_customize() {
+        if ( version_compare( $GLOBALS['wp_version'], '3.6-alpha', '<' ) )
+                wp_die( sprintf( __( 'Twenty Thirteen requires at least WordPress version 3.6. You are running version %s. Please upgrade and try again.' ), $GLOBALS['wp_version'] ) . sprintf( ' <a href="javascript:history.go(-1)">%s</a>', __( 'Go back.' ) ) );
+}
+add_action( 'load-customize.php', 'twentythirteen_customize' );