diff -r 7b1b88e27a20 -r 48c4eec2b7e6 wp/wp-includes/ms-settings.php
--- a/wp/wp-includes/ms-settings.php	Thu Sep 29 08:06:27 2022 +0200
+++ b/wp/wp-includes/ms-settings.php	Fri Sep 05 18:40:08 2025 +0200
@@ -55,10 +55,10 @@
 if ( ! isset( $current_site ) || ! isset( $current_blog ) ) {
 
 	$domain = strtolower( stripslashes( $_SERVER['HTTP_HOST'] ) );
-	if ( ':80' === substr( $domain, -3 ) ) {
+	if ( str_ends_with( $domain, ':80' ) ) {
 		$domain               = substr( $domain, 0, -3 );
 		$_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -3 );
-	} elseif ( ':443' === substr( $domain, -4 ) ) {
+	} elseif ( str_ends_with( $domain, ':443' ) ) {
 		$domain               = substr( $domain, 0, -4 );
 		$_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -4 );
 	}