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run code in 300+ PHP versions simultaneously
<?php /** * @link http://stackoverflow.com/a/29864193/367456 */ $buffer = <<<XML <?xml version="1.0"?> <!DOCTYPE foo [ <!ELEMENT foo ANY > <!ENTITY xxe SYSTEM "data://text/html,aaaa" >]><foo>&xxe;</foo> XML; //libxml_disable_entity_loader(false); $xml = simplexml_load_string($buffer); var_dump($xml); echo 'break\n\r'; $xml = simplexml_load_string($buffer, 'SimpleXMLElement', LIBXML_NOENT); var_dump($xml);
Output for 5.3.6 - 5.3.29, 5.4.28 - 5.4.45, 5.5.12 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
object(SimpleXMLElement)#1 (1) { ["xxe"]=> object(SimpleXMLElement)#2 (1) { ["xxe"]=> object(SimpleXMLElement)#3 (0) { } } } break\n\robject(SimpleXMLElement)#2 (1) { [0]=> string(4) "aaaa" }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 object(SimpleXMLElement)#1 (1) { ["xxe"]=> object(SimpleXMLElement)#2 (1) { ["xxe"]=> object(SimpleXMLElement)#3 (0) { } } } break\n\robject(SimpleXMLElement)#2 (1) { [0]=> string(4) "aaaa" }
Output for 5.4.0 - 5.4.27, 5.5.0 - 5.5.11
object(SimpleXMLElement)#1 (1) { ["xxe"]=> object(SimpleXMLElement)#2 (1) { ["xxe"]=> object(SimpleXMLElement)#3 (0) { } } } break\n\robject(SimpleXMLElement)#2 (0) { }
Output for 5.1.2 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.5
object(SimpleXMLElement)#1 (1) { ["xxe"]=> object(SimpleXMLElement)#2 (1) { ["xxe"]=>
Process exited with code 139.
Output for 5.1.0 - 5.1.1
object(SimpleXMLElement)#1 (1) { ["xxe"]=> object(SimpleXMLElement)#2 (1) { ["xxe"]=> object(SimpleXMLElement)#3 (0) { } } } break\n\r Notice: simplexml_load_string(): Unable to find the wrapper "data" - did you forget to enable it when you configured PHP? in /in/B0q59 on line 19 Warning: simplexml_load_string(): I/O warning : failed to load external entity "data://text/html,aaaa" in /in/B0q59 on line 19 Warning: simplexml_load_string(): Entity: line 4: parser error : Failure to process entity xxe in /in/B0q59 on line 19 Warning: simplexml_load_string(): <!ENTITY xxe SYSTEM "data://text/html,aaaa" >]><foo>&xxe;</foo> in /in/B0q59 on line 19 Warning: simplexml_load_string(): ^ in /in/B0q59 on line 19 Warning: simplexml_load_string(): Entity: line 4: parser error : Entity 'xxe' not defined in /in/B0q59 on line 19 Warning: simplexml_load_string(): <!ENTITY xxe SYSTEM "data://text/html,aaaa" >]><foo>&xxe;</foo> in /in/B0q59 on line 19 Warning: simplexml_load_string(): ^ in /in/B0q59 on line 19 bool(false)
Output for 5.0.0 - 5.0.5
object(SimpleXMLElement)#1 (1) { ["xxe"]=> object(SimpleXMLElement)#2 (1) { ["xxe"]=> object(SimpleXMLElement)#3 (0) { } } } break\n\r Notice: Use of undefined constant LIBXML_NOENT - assumed 'LIBXML_NOENT' in /in/B0q59 on line 19 Warning: simplexml_load_string() expects at most 2 parameters, 3 given in /in/B0q59 on line 19 NULL
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: simplexml_load_string() in /in/B0q59 on line 15
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.1, 4.4.3 - 4.4.4
Fatal error: Call to undefined function: simplexml_load_string() in /in/B0q59 on line 15
Process exited with code 255.
Output for 4.4.2
Fatal error: Call to undefined function: simplexml_load_string() in /in/B0q59 on line 16
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: simplexml_load_string() in /in/B0q59 on line 15
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