3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(null - 1); var_dump(null --);
Output for 5.4.0 - 5.4.17
Parse error: syntax error, unexpected '--' (T_DEC) in /in/hevcD on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_DEC in /in/hevcD on line 3
Process exited with code 255.