3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $bits = 64; $N = 0xfffffffffffffffe; var_dump( -(pow(2, $bits) - $N ); // -2
Output for 5.3.0 - 5.4.16
Parse error: syntax error, unexpected ';' in /in/vvGom on line 4
Process exited with code 255.