3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(dechex(~256 + 1)); var_dump(dechex(256)); var_dump(dechex(-256)); var_dump(dechex(~(0xffffffffffffff00) + 1);
Output for 5.3.0 - 5.3.26, 5.4.0 - 5.4.17
Parse error: syntax error, unexpected ';' in /in/Ejt4l on line 5
Process exited with code 255.
preferences:
185.21 ms | 1395 KiB | 52 Q