From 1768d69e725f40e1bf7a3da71d0ef6fa3a1bb91e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tim=20D=C3=BCsterhus?= <tim@tideways-gmbh.com>
Date: Thu, 9 Apr 2026 15:55:37 +0200
Subject: [PATCH] version_compare: Fix handling of version numbers with a
 trailing dot

---
 ext/standard/tests/versioning/version_compare.phpt | 3 +++
 ext/standard/versioning.c                          | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/ext/standard/tests/versioning/version_compare.phpt b/ext/standard/tests/versioning/version_compare.phpt
index 07550dd410f4..cd7dfef06654 100644
--- a/ext/standard/tests/versioning/version_compare.phpt
+++ b/ext/standard/tests/versioning/version_compare.phpt
@@ -22,6 +22,8 @@ foreach ($special_forms as $f1) {
     test("1.0$f1", "1.0$f2");
     }
 }
+test("1.2.", "1.2.");
+
 print "TESTING OPERATORS\n";
 foreach ($special_forms as $f1) {
     foreach ($special_forms as $f2) {
@@ -106,6 +108,7 @@ TESTING COMPARE
 1.0pl1 > 1.0rc1
 1.0pl1 > 1.0
 1.0pl1 = 1.0pl1
+1.2. = 1.2.
 TESTING OPERATORS
 1.0-dev lt 1.0-dev : false
 1.0-dev  < 1.0-dev : false
diff --git a/ext/standard/versioning.c b/ext/standard/versioning.c
index 6995569fbf87..177e5e66c222 100644
--- a/ext/standard/versioning.c
+++ b/ext/standard/versioning.c
@@ -178,7 +178,7 @@ php_version_compare(const char *orig_ver1, const char *orig_ver2)
 			p2 = n2 + 1;
 		}
 	}
-	if (compare == 0) {
+	if (compare == 0 && (*p1 || *p2)) {
 		if (n1 != NULL) {
 			if (isdigit(*p1)) {
 				compare = 1;