Online PHP editor | output for WO3Mb

Output for 5.1.3 - 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, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 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: <?xml version="1.0"?> <xml><child1><child2>value</child2><noValue/></child1></xml>
Output for 5.1.2: Fatal error: Call to undefined method SimpleXMLElement::addChild() in /in/WO3Mb on line 4
Process exited with code 255.
Output for 5.1.0 - 5.1.1: Fatal error: Uncaught exception 'Exception' with message 'SimpleXMLElement::__construct() expects exactly 1 parameter, 2 given' in /in/WO3Mb:2 Stack trace: #0 /in/WO3Mb(2): SimpleXMLElement->__construct('<xml/>', 4) #1 {main} thrown in /in/WO3Mb on line 2
Process exited with code 255.
Output for 5.0.3 - 5.0.5: Notice: Use of undefined constant LIBXML_NOEMPTYTAG - assumed 'LIBXML_NOEMPTYTAG' in /in/WO3Mb on line 2 Fatal error: Uncaught exception 'Exception' with message 'SimpleXMLElement::__construct() expects exactly 1 parameter, 2 given' in /in/WO3Mb:2 Stack trace: #0 /in/WO3Mb(2): SimpleXMLElement->__construct('<xml/>', 'LIBXML_NOEMPTYT...') #1 {main} thrown in /in/WO3Mb on line 2
Process exited with code 255.
Output for 5.0.0 - 5.0.2: Notice: Use of undefined constant LIBXML_NOEMPTYTAG - assumed 'LIBXML_NOEMPTYTAG' in /in/WO3Mb on line 2 Fatal error: Uncaught exception 'Exception' with message 'SimpleXMLElement::__construct() expects exactly 1 parameter, 2 given' in /in/WO3Mb:2 Stack trace: #0 {main} thrown in /in/WO3Mb on line 2
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: simplexmlelement in /in/WO3Mb on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1: Fatal error: Cannot instantiate non-existent class: simplexmlelement in /in/WO3Mb on line 2