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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 git.master, git.master_jit, rfc.property-hooks
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

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