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run code in 150+ php & hhvm versions
Bugs & Features
<?php echo readfile("/etc/shadow");
Output for 4.3.2 - 7.1.0
Warning: readfile(/etc/shadow): failed to open stream: Permission denied in /in/FlF9s on line 1
Output for 4.3.0 - 4.3.1
Warning: readfile(/etc/shadow) [http://www.php.net/function.readfile]: failed to create stream: Permission denied in /in/FlF9s on line 1