diff -r 490d5cc509ed -r cf61fcea0001 wp/wp-includes/SimplePie/Parse/Date.php
--- a/wp/wp-includes/SimplePie/Parse/Date.php	Tue Jun 09 11:14:17 2015 +0000
+++ b/wp/wp-includes/SimplePie/Parse/Date.php	Mon Oct 14 17:39:30 2019 +0200
@@ -331,6 +331,7 @@
 		'CCT' => 23400,
 		'CDT' => -18000,
 		'CEDT' => 7200,
+		'CEST' => 7200,
 		'CET' => 3600,
 		'CGST' => -7200,
 		'CGT' => -10800,
@@ -613,7 +614,7 @@
 	 *
 	 * @final
 	 * @access public
-	 * @param callback $callback
+	 * @param callable $callback
 	 */
 	public function add_callback($callback)
 	{