3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?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 - 7.1.0
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 - 4.4.9
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