3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new SimpleXMLElement('<a/>'); $a->addChild('c', 'Three & Four'); $a->d = 'Five & Six'; print($a->asXML());
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 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: SimpleXMLElement::addChild(): unterminated entity reference Four in /in/fiBQL on line 4 <?xml version="1.0"?> <a><c/><d>Five &amp; Six</d></a>
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.2
Fatal error: Call to undefined method SimpleXMLElement::addChild() in /in/fiBQL on line 4
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/fiBQL on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: simplexmlelement in /in/fiBQL on line 3
preferences:
294.49 ms | 401 KiB | 422 Q