3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(is_digit(65));
based on Lovcm
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined function is_digit() in /in/eoTlP:3 Stack trace: #0 {main} thrown in /in/eoTlP on line 3
Process exited with code 255.
Output for 5.3.21 - 5.6.28
Fatal error: Call to undefined function is_digit() in /in/eoTlP on line 3
Process exited with code 255.