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run code in 150+ php & hhvm versions
Bugs & Features
<?php function filter($val) { var_dump(filter_var($val, FILTER_VALIDATE_INT)); } filter(0); filter(''); filter('0'); filter('01'); filter('10'); filter(array()); filter(array(1)); filter(0.2); filter('0.2');
Output for 5.2.0 - 7.1.0
int(0) bool(false) int(0) bool(false) int(10) 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/j4b49 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/j4b49 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/j4b49 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/j4b49 on line 4