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run code in 300+ PHP versions simultaneously
<?php $me = __FILE__; $xml = <<<ENDOFXML <!DOCTYPE root [ <!ENTITY foo SYSTEM "php://filter/convert.base64-encode/resource=$me"> ]> <foo>&foo;</foo> ENDOFXML; echo "libxml version: " . LIBXML_DOTTED_VERSION . "\n\n"; $s = simplexml_load_string($xml); var_dump($s); echo "\n"; var_dump(base64_decode($s));
Output for 8.3.28, 8.5.0
libxml version: 2.9.14 object(SimpleXMLElement)#1 (1) { ["foo"]=> object(SimpleXMLElement)#2 (1) { ["foo"]=> object(SimpleXMLElement)#3 (0) { } } } string(0) ""
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
libxml version: 2.9.4 object(SimpleXMLElement)#1 (1) { ["foo"]=> object(SimpleXMLElement)#2 (1) { ["foo"]=> object(SimpleXMLElement)#3 (0) { } } } string(0) ""
preferences:
127.23 ms | 410 KiB | 5 Q