1--TEST-- 2Bug #54911 (Access to a undefined member in inherit SoapClient may cause Segmentation Fault) 3--EXTENSIONS-- 4soap 5--FILE-- 6<?php 7 class XSoapClient extends SoapClient { 8 function __doRequest($request, $location, $action, $version, $one_way=false): ?string { 9 echo self::$crash; 10 } 11 } 12 $client = new XSoapClient(null, array('uri'=>'', 'location'=>'')); 13 $client->__soapCall('', array()); 14?> 15--EXPECTF-- 16Fatal error: Uncaught Error: Access to undeclared static property XSoapClient::$crash in %sbug54911.php:4 17Stack trace: 18#0 [internal function]: XSoapClient->__doRequest('<?xml version="...', '', '#', 1, false) 19#1 %sbug54911.php(8): SoapClient->__soapCall('', Array) 20#2 {main} 21 thrown in %sbug54911.php on line 4 22