3v4l.org

run code in 300+ PHP versions simultaneously
<?php $xml = <<<HERE <!DOCTYPE test [ <!ENTITY test "test"> ]> <test>&test;</test> HERE; $parser = xml_parser_create(); xml_parse_into_struct($parser, $xml, $vals, $idx); print_r($vals); xml_parser_free($parser);
Output for 7.1.26 - 7.1.33, 7.2.17 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Array ( [0] => Array ( [tag] => TEST [type] => complete [level] => 1 [value] => test ) )
Output for 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.8
Array ( [0] => Array ( [tag] => TEST [type] => complete [level] => 1 ) )

preferences:
210.3 ms | 402 KiB | 245 Q