3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo str_len("59636ffde2f6f6370a000001");
Output for 7.0.0 - 7.3.0rc3
Fatal error: Uncaught Error: Call to undefined function str_len() in /in/qgRmJ:3 Stack trace: #0 {main} thrown in /in/qgRmJ on line 3
Process exited with code 255.
Output for hhvm-3.15.4
Fatal error: Uncaught Error: Call to undefined function str_len() in /in/qgRmJ:3 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.6.0 - 5.6.30
Fatal error: Call to undefined function str_len() in /in/qgRmJ on line 3
Process exited with code 255.