[php-src] Issue #19524: Inconsistent result invalid class with or without loop

Issue: https://github.com/php/php-src/issues/19524 Author: YuanchengJiang ### Description The following code: ```php <?php $HTTP_RAW_POST_DATA = <<<EOF <?xml version='1.0' <env:Envelope xmlns:env="http://www.w3.org/2003/05/soap-envelope"> <env:Header> <test:validateCountryCode xmlns:test="http://example.org/ts-tests" env:role="http://example.org/ts-tests/C" env:mustUnderstand="1">ABCD</test:validateCountryCode> </env:Header> <env:Body> </env:Body> </env:Envelope> EOF; include "soap12-test.inc"; class Dummy extends Xmlparser { } var_dump(get_defined_vars()); ``` Resulted in this output: ``` Fatal error: Class Dummy cannot extend final class XMLParser in /tmp/test.php on line 15 Stack trace: #0 {main} ``` The following code: ```php <?php for ($i = 0; $i < 1; $i++) { $HTTP_RAW_POST_DATA = <<<EOF <?xml version='1.0' <env:Envelope xmlns:env="http://www.w3.org/2003/05/soap-envelope"> <env:Header> <test:validateCountryCode xmlns:test="http://example.org/ts-tests" env:role="http://example.org/ts-tests/C" env:mustUnderstand="1">ABCD</test:validateCountryCode> </env:Header> <env:Body> </env:Body> </env:Envelope> EOF; include "soap12-test.inc"; class Dummy extends Xmlparser { } var_dump(get_defined_vars()); } ``` Resulted in this output: ``` <?xml version="1.0" encoding="UTF-8"?> <env:Envelope xmlns:env="http://www.w3.org/2003/05/soap-envelope"><env:Body><env:Fault><env:Code><env:Value>env:Sender</env:Value></env:Code><env:Reason><env:Text xml:lang="en">Bad Request</env:Text></env:Reason></env:Fault></env:Body></env:Envelope> ``` ### PHP Version ```plain nightly ``` ### Operating System _No response_