From 18f80fb5ced6019979c5d7d391f66a9313702ded Mon Sep 17 00:00:00 2001
From: Gina Peter Banyard <girgias@php.net>
Date: Thu, 28 Aug 2025 00:51:35 +0200
Subject: [PATCH] ext/standard: Fix GH-19610 (Deprecation warnings in functions
 taking  as argument)

---
 NEWS                                               |  4 ++++
 Zend/zend_compile.c                                |  2 ++
 .../http_response_header_deprecated_parameter.phpt | 14 ++++++++++++++
 3 files changed, 20 insertions(+)
 create mode 100644 ext/standard/tests/http/http_response_header_deprecated_parameter.phpt

diff --git a/NEWS b/NEWS
index c5a7aba53d2e1..84f7de878cd58 100644
--- a/NEWS
+++ b/NEWS
@@ -8,6 +8,10 @@ PHP                                                                        NEWS
 - Session:
   . Fix RC violation of session SID constant deprecation attribute. (ilutov)
 
+- Standard:
+  . Fix GH-19610 (Deprecation warnings in functions taking as argument).
+    (Girgias)
+
 - URI:
   . Fixed memory management of Uri\WhatWg\Url objects. (timwolla)
   . Fixed memory management of the internal "parse_url" URI parser.
diff --git a/Zend/zend_compile.c b/Zend/zend_compile.c
index 0a7ab7da1bd5f..875239515441e 100644
--- a/Zend/zend_compile.c
+++ b/Zend/zend_compile.c
@@ -7800,6 +7800,8 @@ static void zend_compile_params(zend_ast *ast, zend_ast *return_type_ast, uint32
 				ZSTR_VAL(name));
 		} else if (zend_string_equals(name, ZSTR_KNOWN(ZEND_STR_THIS))) {
 			zend_error_noreturn(E_COMPILE_ERROR, "Cannot use $this as parameter");
+		} else if (zend_string_equals_literal(name, "http_response_header")) {
+			CG(context).has_assigned_to_http_response_header = true;
 		}
 
 		if (op_array->fn_flags & ZEND_ACC_VARIADIC) {
diff --git a/ext/standard/tests/http/http_response_header_deprecated_parameter.phpt b/ext/standard/tests/http/http_response_header_deprecated_parameter.phpt
new file mode 100644
index 0000000000000..1dd032a30527e
--- /dev/null
+++ b/ext/standard/tests/http/http_response_header_deprecated_parameter.phpt
@@ -0,0 +1,14 @@
+--TEST--
+$http_reponse_header as a parameter name should not warn
+--FILE--
+<?php
+
+function foo($http_response_header) {
+    var_dump($http_response_header);
+}
+
+foo("OK");
+
+?>
+--EXPECT--
+string(2) "OK"