From e6cde1614ba25f4d5e6e7278e5399c4ec7975862 Mon Sep 17 00:00:00 2001
From: Gary Pendergast <pento@git.wordpress.org>
Date: Fri, 12 Jul 2019 00:09:31 +0000
Subject: [PATCH] Code Modernisation: Introduce the spread operator in
 `theme.php`.

Rather than relying `func_get_args()` to retrieve arbitrary function arguments, we can now use the spread operator to assign them directly to a variable.

Props jrf, pento.
See #47678.


git-svn-id: https://develop.svn.wordpress.org/trunk@45628 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-includes/theme.php | 17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

diff --git a/src/wp-includes/theme.php b/src/wp-includes/theme.php
index fe419ee08f..f7f061d351 100644
--- a/src/wp-includes/theme.php
+++ b/src/wp-includes/theme.php
@@ -2353,13 +2353,11 @@ function get_theme_starter_content() {
  * @param mixed  ...$args Optional extra arguments to pass along with certain features.
  * @return void|bool False on failure, void otherwise.
  */
-function add_theme_support( $feature ) {
+function add_theme_support( $feature, ...$args ) {
 	global $_wp_theme_features;
 
-	if ( func_num_args() == 1 ) {
+	if ( ! $args ) {
 		$args = true;
-	} else {
-		$args = array_slice( func_get_args(), 1 );
 	}
 
 	switch ( $feature ) {
@@ -2665,17 +2663,16 @@ function _custom_logo_header_styles() {
  * @param mixed  ...$args Optional extra arguments to be checked against certain features.
  * @return mixed The array of extra arguments or the value for the registered feature.
  */
-function get_theme_support( $feature ) {
+function get_theme_support( $feature, ...$args ) {
 	global $_wp_theme_features;
 	if ( ! isset( $_wp_theme_features[ $feature ] ) ) {
 		return false;
 	}
 
-	if ( func_num_args() <= 1 ) {
+	if ( ! $args ) {
 		return $_wp_theme_features[ $feature ];
 	}
 
-	$args = array_slice( func_get_args(), 1 );
 	switch ( $feature ) {
 		case 'custom-logo':
 		case 'custom-header':
@@ -2786,7 +2783,7 @@ function _remove_theme_support( $feature ) {
  * @param mixed  ...$args Optional extra arguments to be checked against certain features.
  * @return bool True if the current theme supports the feature, false otherwise.
  */
-function current_theme_supports( $feature ) {
+function current_theme_supports( $feature, ...$args ) {
 	global $_wp_theme_features;
 
 	if ( 'custom-header-uploads' == $feature ) {
@@ -2798,12 +2795,10 @@ function current_theme_supports( $feature ) {
 	}
 
 	// If no args passed then no extra checks need be performed
-	if ( func_num_args() <= 1 ) {
+	if ( ! $args ) {
 		return true;
 	}
 
-	$args = array_slice( func_get_args(), 1 );
-
 	switch ( $feature ) {
 		case 'post-thumbnails':
 			// post-thumbnails can be registered for only certain content/post types by passing