3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_export(is_num('3 fish'));
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Call to undefined function is_num() in /in/SucTR:3 Stack trace: #0 {main} thrown in /in/SucTR on line 3
Process exited with code 255.
Output for 5.0.0 - 5.6.28, hhvm-3.12.0
Fatal error: Call to undefined function is_num() in /in/SucTR on line 3
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: is_num() in /in/SucTR on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: is_num() in /in/SucTR on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: is_num() in /in/SucTR on line 3