--- a/wp/wp-admin/load-scripts.php	Tue Jun 09 11:14:17 2015 +0000
+++ b/wp/wp-admin/load-scripts.php	Mon Oct 14 17:39:30 2019 +0200
@@ -8,111 +8,11 @@
 error_reporting(0);
 
 /** Set ABSPATH for execution */
-define( 'ABSPATH', dirname(dirname(__FILE__)) . '/' );
-define( 'WPINC', 'wp-includes' );
-
-/**
- * @ignore
- */
-function __() {}
-
-/**
- * @ignore
- */
-function _x() {}
-
-/**
- * @ignore
- */
-function add_filter() {}
-
-/**
- * @ignore
- */
-function esc_attr() {}
-
-/**
- * @ignore
- */
-function apply_filters() {}
-
-/**
- * @ignore
- */
-function get_option() {}
-
-/**
- * @ignore
- */
-function is_lighttpd_before_150() {}
-
-/**
- * @ignore
- */
-function add_action() {}
-
-/**
- * @ignore
- */
-function did_action() {}
-
-/**
- * @ignore
- */
-function do_action_ref_array() {}
+if ( ! defined( 'ABSPATH' ) ) {
+	define( 'ABSPATH', dirname( dirname( __FILE__ ) ) . '/' );
+}
 
-/**
- * @ignore
- */
-function get_bloginfo() {}
-
-/**
- * @ignore
- */
-function is_admin() {return true;}
-
-/**
- * @ignore
- */
-function site_url() {}
-
-/**
- * @ignore
- */
-function admin_url() {}
-
-/**
- * @ignore
- */
-function home_url() {}
-
-/**
- * @ignore
- */
-function includes_url() {}
-
-/**
- * @ignore
- */
-function wp_guess_url() {}
-
-if ( ! function_exists( 'json_encode' ) ) :
-/**
- * @ignore
- */
-function json_encode() {}
-endif;
-
-function get_file($path) {
-
-	if ( function_exists('realpath') )
-		$path = realpath($path);
-
-	if ( ! $path || ! @is_file($path) )
-		return '';
-
-	return @file_get_contents($path);
-}
+define( 'WPINC', 'wp-includes' );
 
 $load = $_GET['load'];
 if ( is_array( $load ) )
@@ -124,8 +24,9 @@
 if ( empty($load) )
 	exit;
 
-require(ABSPATH . WPINC . '/script-loader.php');
-require(ABSPATH . WPINC . '/version.php');
+require( ABSPATH . 'wp-admin/includes/noop.php' );
+require( ABSPATH . WPINC . '/script-loader.php' );
+require( ABSPATH . WPINC . '/version.php' );
 
 $compress = ( isset($_GET['c']) && $_GET['c'] );
 $force_gzip = ( $compress && 'gzip' == $_GET['c'] );
@@ -135,7 +36,16 @@
 $wp_scripts = new WP_Scripts();
 wp_default_scripts($wp_scripts);
 
-foreach( $load as $handle ) {
+if ( isset( $_SERVER['HTTP_IF_NONE_MATCH'] ) && stripslashes( $_SERVER['HTTP_IF_NONE_MATCH'] ) === $wp_version ) {
+	$protocol = $_SERVER['SERVER_PROTOCOL'];
+	if ( ! in_array( $protocol, array( 'HTTP/1.1', 'HTTP/2', 'HTTP/2.0' ) ) ) {
+		$protocol = 'HTTP/1.0';
+	}
+	header( "$protocol 304 Not Modified" );
+	exit();
+}
+
+foreach ( $load as $handle ) {
 	if ( !array_key_exists($handle, $wp_scripts->registered) )
 		continue;
 
@@ -143,6 +53,7 @@
 	$out .= get_file($path) . "\n";
 }
 
+header("Etag: $wp_version");
 header('Content-Type: application/javascript; charset=UTF-8');
 header('Expires: ' . gmdate( "D, d M Y H:i:s", time() + $expires_offset ) . ' GMT');
 header("Cache-Control: public, max-age=$expires_offset");