3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(-1 ** 0.5);
based on NAE9e
Output for 5.6.0 - 7.2.0
float(-1)
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.5.38
Parse error: syntax error, unexpected '*' in /in/cMNcF on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '*' in /in/cMNcF on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/cMNcF on line 3
Process exited with code 255.