From 616f0bca52a481a2eeb34e2e67615c12e2440707 Mon Sep 17 00:00:00 2001
From: Tonya Mork <hellofromtonya@git.wordpress.org>
Date: Wed, 25 Jan 2023 21:41:00 +0000
Subject: [PATCH] Editor: Use in/decrementors in wp_tinycolor_hue_to_rgb().

Replaces `+=` and `-=` with `++$t` and `--$t` (in/decrementors) within the `wp_tinycolor_hue_to_rgb()`.

Why? For performance: in/decrementors are more performant than an assignment with a calculation.

References:
* https://www.php.net/manual/en/language.operators.increment.php
* https://github.com/WordPress/gutenberg/pull/44551

Follow-up to [50929].

Props jrf, czapla, antonvlasenko, aristath, mamaduka.
See #57527.

git-svn-id: https://develop.svn.wordpress.org/trunk@55140 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-includes/block-supports/duotone.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/wp-includes/block-supports/duotone.php b/src/wp-includes/block-supports/duotone.php
index 0e04cb1631..76542d8e37 100644
--- a/src/wp-includes/block-supports/duotone.php
+++ b/src/wp-includes/block-supports/duotone.php
@@ -130,10 +130,10 @@ function wp_tinycolor_rgb_to_rgb( $rgb_color ) {
  */
 function wp_tinycolor_hue_to_rgb( $p, $q, $t ) {
 	if ( $t < 0 ) {
-		$t += 1;
+		++$t;
 	}
 	if ( $t > 1 ) {
-		$t -= 1;
+		--$t;
 	}
 	if ( $t < 1 / 6 ) {
 		return $p + ( $q - $p ) * 6 * $t;