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<?php $dom = new DOMDocument(); $rss = $dom->appendChild($dom->createElement('RSS')); $rss->setAttributeNS( 'http://www.w3.org/2000/xmlns/', 'xmlns', 'http://www.w3.org/2005/Atom' ); echo $dom->saveXml();
Output for 5.2.13 - 5.2.17, 5.3.2 - 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 - 7.1.33, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
<?xml version="1.0"?> <RSS xmlns="http://www.w3.org/2005/Atom"/>
Output for 5.0.3 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.12, 5.3.0 - 5.3.1
Fatal error: Uncaught exception 'DOMException' with message 'Namespace Error' in /in/iETPS:9 Stack trace: #0 /in/iETPS(9): DOMElement->setAttributeNS('http://www.w3.o...', 'xmlns', 'http://www.w3.o...') #1 {main} thrown in /in/iETPS on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.2
Fatal error: Uncaught exception 'DOMException' with message 'Namespace Error' in /in/iETPS:9 Stack trace: #0 {main} thrown in /in/iETPS on line 9
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/iETPS 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/iETPS on line 3

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