3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(pow(2, "-2")); var_dump(pow(2, "string"));
Output for 7.1.0 - 7.2.0
float(0.25) Warning: A non-numeric value encountered in /in/iYrMq on line 5 int(1)
Output for 4.3.0 - 7.0.20
float(0.25) int(1)