3v4l.org

run code in 300+ PHP versions simultaneously
<?php $doc = new \SimpleXMLElement('<x/>'); $doc[0] = 'test'; echo $doc->asXml();
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 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"?> <x>test</x>
Output for 5.2.2 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/vEtHh on line 3 <?xml version="1.0"?> <x>test</x>
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.1
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/vEtHh on line 3 <?xml version="1.0"?> <x/> <x>test</x>
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.2
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/vEtHh on line 3 <?xml version="1.0"?> <x/>
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/vEtHh on line 3 Fatal error: Cannot instantiate non-existent class: simplexmlelement in /in/vEtHh on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/vEtHh on line 3 Fatal error: Cannot instantiate non-existent class: simplexmlelement in /in/vEtHh on line 3

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243.36 ms | 402 KiB | 459 Q