based on

From b3646440b1808abf0874b6f89027ce53ec5da03f Mon Sep 17 00:00:00 2001
From: Remi Collet <remi@php.net>
Date: Mon, 13 Sep 2021 14:48:13 +0200
Subject: [PATCH] Don't rely on libgd unused constants

Index: ext/gd/gd.c
--- ext/gd/gd.c.orig
+++ ext/gd/gd.c
@@ -91,6 +91,11 @@ static int le_gd, le_gd_font;
 #define M_PI 3.14159265358979323846
 #endif
 
+/* don't used libgd constants, not used, so going to be removed */
+#define PHP_GD_FLIP_HORIZONTAL 1
+#define PHP_GD_FLIP_VERTICAL   2
+#define PHP_GD_FLIP_BOTH       3
+
 #ifdef HAVE_GD_FREETYPE
 static void php_imagettftext_common(INTERNAL_FUNCTION_PARAMETERS, int, int);
 #endif
@@ -1137,9 +1142,9 @@ PHP_MINIT_FUNCTION(gd)
     /* GD2 image format types */
 	REGISTER_LONG_CONSTANT("IMG_GD2_RAW", GD2_FMT_RAW, CONST_CS | CONST_PERSISTENT);
 	REGISTER_LONG_CONSTANT("IMG_GD2_COMPRESSED", GD2_FMT_COMPRESSED, CONST_CS | CONST_PERSISTENT);
-	REGISTER_LONG_CONSTANT("IMG_FLIP_HORIZONTAL", GD_FLIP_HORINZONTAL, CONST_CS | CONST_PERSISTENT);
-	REGISTER_LONG_CONSTANT("IMG_FLIP_VERTICAL", GD_FLIP_VERTICAL, CONST_CS | CONST_PERSISTENT);
-	REGISTER_LONG_CONSTANT("IMG_FLIP_BOTH", GD_FLIP_BOTH, CONST_CS | CONST_PERSISTENT);
+	REGISTER_LONG_CONSTANT("IMG_FLIP_HORIZONTAL", PHP_GD_FLIP_HORIZONTAL, CONST_CS | CONST_PERSISTENT);
+	REGISTER_LONG_CONSTANT("IMG_FLIP_VERTICAL", PHP_GD_FLIP_VERTICAL, CONST_CS | CONST_PERSISTENT);
+	REGISTER_LONG_CONSTANT("IMG_FLIP_BOTH", PHP_GD_FLIP_BOTH, CONST_CS | CONST_PERSISTENT);
 	REGISTER_LONG_CONSTANT("IMG_EFFECT_REPLACE", gdEffectReplace, CONST_CS | CONST_PERSISTENT);
 	REGISTER_LONG_CONSTANT("IMG_EFFECT_ALPHABLEND", gdEffectAlphaBlend, CONST_CS | CONST_PERSISTENT);
 	REGISTER_LONG_CONSTANT("IMG_EFFECT_NORMAL", gdEffectNormal, CONST_CS | CONST_PERSISTENT);
@@ -4696,15 +4701,15 @@ PHP_FUNCTION(imageflip)
 	}
 
 	switch (mode) {
-		case GD_FLIP_VERTICAL:
+		case PHP_GD_FLIP_VERTICAL:
 			gdImageFlipVertical(im);
 			break;
 
-		case GD_FLIP_HORINZONTAL:
+		case PHP_GD_FLIP_HORIZONTAL:
 			gdImageFlipHorizontal(im);
 			break;
 
-		case GD_FLIP_BOTH:
+		case PHP_GD_FLIP_BOTH:
 			gdImageFlipBoth(im);
 			break;
 
