Bug #76672 [NEW]: Vertical Tab char in the value of DOMElement::setAttribute produces invalid xml

From: mioshchikhes at jobrouter dot de Operating system: Windows PHP version: 7.1.20 Package: DOM XML related Bug Type: Bug Bug description:Vertical Tab char in the value of DOMElement::setAttribute produces invalid xml Description: ------------ Vertical Tab character \v in the value of DOMElement::setAttribute produces invalid xml. The XML can be saved, but it has an invalid character and cannot be read correctly. The behavior is reproducible. Test script: --------------- <?php $dom = new DOMDocument(); $node = $dom->createElement('my-test'); $node->setAttribute('my-attribute', "vertical\vtabs"); $dom->appendChild($node); $text = $dom->saveXML(); var_dump($text); $dom = new DOMDocument(); $dom->loadXML($text); var_dump($dom->saveXML()); Expected result: ---------------- Either an error or valid XML Actual result: -------------- An invalid xml is produced -- Edit bug report at https://bugs.php.net/bug.php?id=76672&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=76672&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=76672&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=76672&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=76672&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=76672&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=76672&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=76672&r=needscript Try newer version: https://bugs.php.net/fix.php?id=76672&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=76672&r=support Expected behavior: https://bugs.php.net/fix.php?id=76672&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=76672&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=76672&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=76672&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=76672&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=76672&r=dst IIS Stability: https://bugs.php.net/fix.php?id=76672&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=76672&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=76672&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=76672&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=76672&r=mysqlcfg