3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = '<!DOCTYPE sgml [ <!ELEMENT sgml ANY> <!ENTITY % author "William Shakespeare"> ]> <sgml>&author;</sgml>'; $dom = new DOMDocument; $dom->resolveExternals = true; $dom->loadXML($var); var_dump($dom->doctype->entities->length);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: DOMDocument::loadXML(): Entity 'author' not defined in Entity, line: 5 in /in/MVeiR on line 11 Warning: Attempt to read property "entities" on null in /in/MVeiR on line 13 Warning: Attempt to read property "length" on null in /in/MVeiR on line 13 NULL
Output for 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Warning: DOMDocument::loadXML(): Entity 'author' not defined in Entity, line: 5 in /in/MVeiR on line 11 Notice: Trying to get property 'entities' of non-object in /in/MVeiR on line 13 Notice: Trying to get property 'length' of non-object in /in/MVeiR on line 13 NULL
Output for 7.3.32 - 7.3.33
Warning: DOMDocument::loadXML(): Entity 'author' not defined in Entity, line: 5 in /in/MVeiR on line 11 NULL
Output for 5.0.0 - 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 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.32, 7.1.0 - 7.1.24
Warning: DOMDocument::loadXML(): Entity 'author' not defined in Entity, line: 5 in /in/MVeiR on line 11 Notice: Trying to get property of non-object in /in/MVeiR on line 13 Notice: Trying to get property of non-object in /in/MVeiR on line 13 NULL
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: domdocument in /in/MVeiR on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: domdocument in /in/MVeiR on line 9

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