[PHP-WEBMASTER] [web-php] master: Fixed host suffix check

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Author: Derick Rethans (derickr)
Date: 2026-03-23T11:08:11Z

Commit: Fixed host suffix check · php/web-php@a46c652 · GitHub
Raw diff: https://github.com/php/web-php/commit/a46c652c32e0d1946e60c1fb24b234e751c030cc.diff

Fixed host suffix check

Changed paths:
  M include/prepend.inc

Diff:

diff --git a/include/prepend.inc b/include/prepend.inc
index 83e50b8260..b2f3969f11 100644
--- a/include/prepend.inc
+++ b/include/prepend.inc
@@ -26,7 +26,7 @@ header("Permissions-Policy: interest-cohort=()");
     }

     $host = parse_url($_SERVER["HTTP_ORIGIN"]);
- if (strncmp(strrev($host["host"]), strrev("php.net"), strlen("php.net")) != 0) {
+ if (!preg_match('/^(.+\.)?php\.net$/', $host["host"])) {
         if ($host["host"] != $_SERVER["SERVER_NAME"]) {
             exit(10);
         }