3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new DOMDocument; $a->loadXML( '<?xml?><root><foo>a<bar id="b"></bar></foo></root>' ); $newelement = $a->createElement( 'baz', 'c' ); $newelement->setAttribute( 'whynot', 'whatever' ); $a->appendChild( $newelement ); echo $a->saveXML();
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, 5.6.0 - 5.6.38, 7.0.0 - 7.0.32, 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: DOMDocument::loadXML(): XML declaration allowed only at the start of the document in Entity, line: 1 in /in/vdfrm on line 4 <?xml version="1.0"?> <baz whynot="whatever">c</baz>
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: domdocument in /in/vdfrm 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/vdfrm on line 3
preferences:
311.09 ms | 401 KiB | 424 Q