From 79884f91186a746abe14432e3e92f5401635d7b0 Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Sun, 13 Jul 2025 07:01:44 +0100
Subject: [PATCH] ext/sockets: multicast on unsupported socket type error
 change.

From a mere warning to an exception.
---
 ext/sockets/sockaddr_conv.c                   |  3 +-
 ext/sockets/tests/mcast_sockettype_error.phpt | 30 +++++++++++++++++++
 2 files changed, 31 insertions(+), 2 deletions(-)
 create mode 100644 ext/sockets/tests/mcast_sockettype_error.phpt

diff --git a/ext/sockets/sockaddr_conv.c b/ext/sockets/sockaddr_conv.c
index 9840a98dbcb72..333ef2533a11b 100644
--- a/ext/sockets/sockaddr_conv.c
+++ b/ext/sockets/sockaddr_conv.c
@@ -137,8 +137,7 @@ int php_set_inet46_addr(php_sockaddr_storage *ss, socklen_t *ss_len, zend_string
 	}
 #endif
 	else {
-		php_error_docref(NULL, E_WARNING,
-			"IP address used in the context of an unexpected type of socket");
+		zend_value_error("IP address used in the context of an unexpected type of socket");
 	}
 	return 0;
 }
diff --git a/ext/sockets/tests/mcast_sockettype_error.phpt b/ext/sockets/tests/mcast_sockettype_error.phpt
new file mode 100644
index 0000000000000..56308534ebc4d
--- /dev/null
+++ b/ext/sockets/tests/mcast_sockettype_error.phpt
@@ -0,0 +1,30 @@
+--TEST--
+Multicast attempt on unsupported socket type
+--EXTENSIONS--
+sockets
+--SKIPIF--
+<?php
+if (substr(PHP_OS, 0, 3) == 'WIN') {
+    die('skip Not for Windows!');
+}
+?>
+--FILE--
+<?php
+$sock_path = sprintf("/tmp/%s.sock", uniqid());
+
+if (file_exists($sock_path))
+	die('Temporary socket already exists.');
+$sock = socket_create(AF_UNIX, SOCK_DGRAM, 0);
+socket_bind($sock, $sock_path);
+
+try {
+    socket_set_option($sock, IPPROTO_IP, MCAST_JOIN_GROUP, array(
+        "group"	=> '127.0.0.1',
+        "interface" => "lo",
+    ));
+} catch (\ValueError $e) {
+	echo $e->getMessage(), PHP_EOL;
+}
+?>
+--EXPECT--
+IP address used in the context of an unexpected type of socket