3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $word = 'something'; echo substr($word, -1); // g? echo substr($word, 1, 1); // s?
based on JqiR4
Output for 4.3.0 - 5.0.5, 5.1.1 - 7.1.0
go
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/ZMv62 on line 6
Process exited with code 255.