imagecolortransparent() cannot return null

Author: nikic

ext/gd/gd.stub.php

@@ -177,7 +177,7 @@ function imagefill(GdImage $image, int $x, int $y, int $color): bool {}
 
 function imagecolorstotal(GdImage $image): int {}
 
-function imagecolortransparent(GdImage $image, ?int $color = null): ?int {}
+function imagecolortransparent(GdImage $image, ?int $color = null): int {}
 
 function imageinterlace(GdImage $image, ?bool $enable = null): bool {}
 

ext/gd/gd_arginfo.h

@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: 155175c4f5b60aaed37df2210ae6a5e7f979dae2 */
+ * Stub hash: 012a149dba5332fcb73544771b881fc7e6d53925 */
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_gd_info, 0, 0, IS_ARRAY, 0)
 ZEND_END_ARG_INFO()
@@ -358,7 +358,7 @@ ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_imagecolorstotal, 0, 1, IS_LONG,
 	ZEND_ARG_OBJ_INFO(0, image, GdImage, 0)
 ZEND_END_ARG_INFO()
 
-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_imagecolortransparent, 0, 1, IS_LONG, 1)
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_imagecolortransparent, 0, 1, IS_LONG, 0)
 	ZEND_ARG_OBJ_INFO(0, image, GdImage, 0)
 	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, color, IS_LONG, 1, "null")
 ZEND_END_ARG_INFO()