Bug #79191 [NEW]: Error in SoapClient creation leads to DOMDocument::save() not working

From: sebastian Operating system: Irrelevant PHP version: 7.4.2 Package: DOM XML related Bug Type: Bug Bug description:Error in SoapClient creation leads to DOMDocument::save() not working Description: ------------ When the creation of a SoapClient object fails then DOMDocument::save() no longer works. This issue came up in the context of PHPUnit: * https://github.com/sebastianbergmann/php-code-coverage/issues/692 * https://github.com/sebastianbergmann/php-code-coverage/pull/721 * https://github.com/sebastianbergmann/php-code-coverage/issues/692#issuecomment-579761041 A minimal and self-contained script that reproduces the issue is provided below. Test script: --------------- <?php try { new \SoapClient('does-not-exist.wsdl'); } catch (Throwable $t) { } $dom = new DOMDocument; $dom->loadxml('<?xml version="1.0" ?><root />'); var_dump($dom->save('/tmp/test.xml')); Expected result: ---------------- int(number of bytes written) Actual result: -------------- bool(false) -- Edit bug report at https://bugs.php.net/bug.php?id=79191&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=79191&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=79191&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=79191&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=79191&r=needscript Try newer version: https://bugs.php.net/fix.php?id=79191&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=79191&r=support Expected behavior: https://bugs.php.net/fix.php?id=79191&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=79191&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=79191&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=79191&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=79191&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=79191&r=dst IIS Stability: https://bugs.php.net/fix.php?id=79191&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=79191&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=79191&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=79191&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=79191&r=mysqlcfg