3v4l.org

run code in 300+ PHP versions simultaneously
<?php $xmlstr = " <employee> <employeename>test</employeename> <employeeaddress>test123</employeeaddress> <SSN>12343456</SSN> <company>TOPXML</company> </employee> "; $dom = new \DOMDocument; $dom->loadXML($xmlstr); $node = $dom->childNodes[1]; $node->normalize(); echo $dom->C14N();echo "\n\n"; echo $node->C14N(); ?>
Output for 7.1.0 - 7.1.23, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught Error: Call to a member function normalize() on null in /in/Ad37Q:15 Stack trace: #0 {main} thrown in /in/Ad37Q on line 15
Process exited with code 255.
Output for 5.6.38
Fatal error: Call to a member function normalize() on null in /in/Ad37Q on line 15
Process exited with code 255.

preferences:
156.84 ms | 401 KiB | 169 Q