3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function filter($val) { var_dump(filter_var($val, FILTER_VALIDATE_INT)); } filter(1); filter(01); filter(0x01); filter('1'); filter('01'); // wat? filter('0x01'); // wat? filter(''); filter(array()); filter(array(1)); filter(0.2); filter('0.2');
Output for 5.2.0 - 7.1.0
int(1) int(1) int(1) int(1) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false)
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function filter_var() in /in/Pv1gB on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: filter_var() in /in/Pv1gB on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: filter_var() in /in/Pv1gB on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: filter_var() in /in/Pv1gB on line 4