--- a/wp/wp-includes/class-simplepie.php	Tue Jun 09 11:14:17 2015 +0000
+++ b/wp/wp-includes/class-simplepie.php	Mon Oct 14 17:39:30 2019 +0200
@@ -1,5 +1,5 @@
 <?php
-if ( ! class_exists( 'SimplePie' ) ) :
+if ( ! class_exists( 'SimplePie', false ) ) :
 
 // Load classes we will need.
 require ABSPATH . WPINC . '/SimplePie/Misc.php';
@@ -29,35 +29,10 @@
 	include( $file );
 }
 
-if ( function_exists( 'spl_autoload_register' ) ) {
-	/**
-	 * We autoload classes we may not need.
-	 *
-	 * If SPL is disabled, we load all of SimplePie manually.
-	 *
-	 * Core.php is not loaded manually, because SimplePie_Core (a deprecated class)
-	 * was never included in WordPress core.
-	 */
-	spl_autoload_register( 'wp_simplepie_autoload' );
-} else {
-	require ABSPATH . WPINC . '/SimplePie/Cache/Base.php';
-	require ABSPATH . WPINC . '/SimplePie/Cache/DB.php';
-	require ABSPATH . WPINC . '/SimplePie/Cache/File.php';
-	require ABSPATH . WPINC . '/SimplePie/Cache/Memcache.php';
-	require ABSPATH . WPINC . '/SimplePie/Cache/MySQL.php';
-	require ABSPATH . WPINC . '/SimplePie/Caption.php';
-	require ABSPATH . WPINC . '/SimplePie/Category.php';
-	require ABSPATH . WPINC . '/SimplePie/Copyright.php';
-	require ABSPATH . WPINC . '/SimplePie/Credit.php';
-	require ABSPATH . WPINC . '/SimplePie/Decode/HTML/Entities.php';
-	require ABSPATH . WPINC . '/SimplePie/Enclosure.php';
-	require ABSPATH . WPINC . '/SimplePie/gzdecode.php';
-	require ABSPATH . WPINC . '/SimplePie/HTTP/Parser.php';
-	require ABSPATH . WPINC . '/SimplePie/Net/IPv6.php';
-	require ABSPATH . WPINC . '/SimplePie/Rating.php';
-	require ABSPATH . WPINC . '/SimplePie/Restriction.php';
-	require ABSPATH . WPINC . '/SimplePie/Source.php';
-}
+/**
+ * We autoload classes we may not need.
+ */
+spl_autoload_register( 'wp_simplepie_autoload' );
 
 /**
  * SimplePie