first commit

wp-admin/custom-header.php

@@ -0,0 +1,20 @@
+<?php
+/**
+ * Custom header image script.
+ *
+ * This file is deprecated, use 'wp-admin/includes/class-custom-image-header.php' instead.
+ *
+ * @deprecated 5.3.0
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+// Don't load directly.
+if ( ! defined( 'ABSPATH' ) ) {
+	die( '-1' );
+}
+
+_deprecated_file( basename( __FILE__ ), '5.3.0', 'wp-admin/includes/class-custom-image-header.php' );
+
+/** Custom_Image_Header class */
+require_once ABSPATH . 'wp-admin/includes/class-custom-image-header.php';