3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(1<<-1);
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught ArithmeticError: Bit shift by negative number in /in/CslFK:3 Stack trace: #0 {main} thrown in /in/CslFK on line 3
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: Uncaught ArithmeticError: Bit shift by negative number in /in/CslFK:3 Stack trace: #0 {main}
Process exited with code 255.
Output for 4.3.0 - 5.6.25, hhvm-3.10.0
int(-9223372036854775808)