3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump((DOM\HTMLDocument::createEmpty())->relaxNgValidateSource("<p><a href=\"/foo\">Text here</p>"));
Output for 8.1.29, 8.2.20 - 8.2.23, 8.3.5 - 8.3.11
Fatal error: Uncaught Error: Class "DOM\HTMLDocument" not found in /in/IhHj3:3 Stack trace: #0 {main} thrown in /in/IhHj3 on line 3
Process exited with code 255.
preferences:
47.72 ms | 406 KiB | 5 Q