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run code in 300+ PHP versions simultaneously
<?php $ns = "uri:nowhere"; $dom = new DOMDocument(); $dom->loadXML("<root xmlns:ns3456789012345678901234567890123='{$ns}'></root>"); // 33 $dom->firstChild->appendChild($dom->createElementNS($ns, "child")); echo $dom->saveXML();
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.14
<?xml version="1.0"?> <root xmlns:ns3456789012345678901234567890123="uri:nowhere"><ns3456789012345678901234567890123:child/></root>
preferences:
174.4 ms | 408 KiB | 5 Q