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run code in 300+ PHP versions simultaneously
<?php $a = new DOMDocument; $a->loadXML( '<?xml version="1.0" ?><root><foo>a<bar id="b"></bar></foo></root>' ); $newelement = new DOMElement( 'baz', 'c' ); $newelement->setAttribute( 'whynot', 'whatever' ); $a->firstChild->appendChild( $newelement ); echo $a->saveXML();
Output for 8.3.0 - 8.3.7
<?xml version="1.0"?> <root><foo>a<bar id="b"/></foo><baz whynot="whatever">c</baz></root>
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.12 - 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
Fatal error: Uncaught DOMException: No Modification Allowed Error in /in/J7M3R:6 Stack trace: #0 /in/J7M3R(6): DOMElement->setAttribute('whynot', 'whatever') #1 {main} thrown in /in/J7M3R on line 6
Process exited with code 255.
Output for 5.0.3 - 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 - 5.5.35, 5.6.0 - 5.6.28
Fatal error: Uncaught exception 'DOMException' with message 'No Modification Allowed Error' in /in/J7M3R:6 Stack trace: #0 /in/J7M3R(6): DOMElement->setAttribute('whynot', 'whatever') #1 {main} thrown in /in/J7M3R on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.2
Fatal error: Uncaught exception 'DOMException' with message 'No Modification Allowed Error' in /in/J7M3R:6 Stack trace: #0 {main} thrown in /in/J7M3R on line 6
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: domdocument in /in/J7M3R 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/J7M3R on line 3

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