Ticket #41722: 41722-sockets-fix.diff

src/wp-includes/wp-db.php

@@ -1627 +1627 @@
                         }
                 }
 
+                if ( empty( $port ) ) {
+                        $port = null;
+                }
+
                 return array( $host, $port, $socket, $is_ipv6 );
         }