3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(str_len("aa"));
based on 7l3HV
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined function str_len() in /in/pFLo1:3 Stack trace: #0 {main} thrown in /in/pFLo1 on line 3
Process exited with code 255.
Output for 5.3.19 - 5.6.28
Fatal error: Call to undefined function str_len() in /in/pFLo1 on line 3
Process exited with code 255.