diff --git a/wp-admin/admin-header.php b/wp-admin/admin-header.php
index 7c59ec0baf..35b1686b51 100644
--- a/wp-admin/admin-header.php
+++ b/wp-admin/admin-header.php
@@ -198,18 +198,18 @@ if ( $current_screen->is_block_editor() ) {
 	}
 }
 
-$error = error_get_last();
+$error_get_last = error_get_last();
 
 // Print a CSS class to make PHP errors visible.
-if ( $error && WP_DEBUG && WP_DEBUG_DISPLAY && ini_get( 'display_errors' )
+if ( $error_get_last && WP_DEBUG && WP_DEBUG_DISPLAY && ini_get( 'display_errors' )
 	// Don't print the class for PHP notices in wp-config.php, as they happen before WP_DEBUG takes effect,
 	// and should not be displayed with the `error_reporting` level previously set in wp-load.php.
-	&& ( E_NOTICE !== $error['type'] || 'wp-config.php' !== wp_basename( $error['file'] ) )
+	&& ( E_NOTICE !== $error_get_last['type'] || 'wp-config.php' !== wp_basename( $error_get_last['file'] ) )
 ) {
 	$admin_body_class .= ' php-error';
 }
 
-unset( $error );
+unset( $error_get_last );
 
 ?>
 </head>
diff --git a/wp-includes/version.php b/wp-includes/version.php
index fa93ef2f85..63437ed368 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.6-alpha-48937';
+$wp_version = '5.6-alpha-48938';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.