3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $var1 = 'a'; $var2 = 'z'; $var3 = '123'; $var4 = '456'; var_dump(strcmp($var1, $var2));
Output for 4.3.0 - 5.6.28, 7.0.0 - 7.1.0
int(-25)
Output for hhvm-3.12.0
int(-1)
Output for hhvm-3.10.0

Process exited with code 153.