Help with Security

[chiragsharma.guru99]

I have created an online PHP code executor at http://web.guru99.com
Though I have checked all security aspects … do you experts see any majorflaw that I need to care of?

 

[Auric__]

I have created an online PHP code executor at http://web.guru99.com
Though I have checked all security aspects … do you experts see any
major flaw that I need to care of?

Jesus christ, stop spamming.

--
/* This program will only run if the laws of mathematics hold */
if(1 == 0) {
fprintf("Oh crap - we are not running in the correct Universe\n");
exit(17);
}