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<?php $dom = new DOMDocument(); $dom->loadXml('<foo xmlns=urn:foo/>'); var_dump($dom->documentElement->lookupNamespaceURI(NULL));
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: DOMDocument::loadXML(): AttValue: " or ' expected in Entity, line: 1 in /in/9965o on line 4 Warning: DOMDocument::loadXML(): attributes construct error in Entity, line: 1 in /in/9965o on line 4 Warning: DOMDocument::loadXML(): Couldn't find end of Start Tag foo line 1 in Entity, line: 1 in /in/9965o on line 4 Warning: DOMDocument::loadXML(): Extra content at the end of the document in Entity, line: 1 in /in/9965o on line 4 Fatal error: Uncaught Error: Call to a member function lookupNamespaceURI() on null in /in/9965o:6 Stack trace: #0 {main} thrown in /in/9965o on line 6
Process exited with code 255.
Output for 5.6.0 - 5.6.30
Warning: DOMDocument::loadXML(): AttValue: " or ' expected in Entity, line: 1 in /in/9965o on line 4 Warning: DOMDocument::loadXML(): attributes construct error in Entity, line: 1 in /in/9965o on line 4 Warning: DOMDocument::loadXML(): Couldn't find end of Start Tag foo line 1 in Entity, line: 1 in /in/9965o on line 4 Warning: DOMDocument::loadXML(): Extra content at the end of the document in Entity, line: 1 in /in/9965o on line 4 Fatal error: Call to a member function lookupNamespaceURI() on null in /in/9965o on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
Warning: DOMDocument::loadXML(): AttValue: " or ' expected in Entity, line: 1 in /in/9965o on line 4 Warning: DOMDocument::loadXML(): attributes construct error in Entity, line: 1 in /in/9965o on line 4 Warning: DOMDocument::loadXML(): Couldn't find end of Start Tag foo line 1 in Entity, line: 1 in /in/9965o on line 4 Warning: DOMDocument::loadXML(): Extra content at the end of the document in Entity, line: 1 in /in/9965o on line 4 Fatal error: Call to a member function lookupNamespaceURI() on a non-object in /in/9965o on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: domdocument in /in/9965o on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: domdocument in /in/9965o on line 3

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