3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $ips = array('127.0.0.1', '127.0.0.%', '214.12.213.525', '1221.21.122.11', '256.111.111.111'); foreach($ips as $ip) { var_dump(filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)); }
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(9) "127.0.0.1" 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/P47X8 on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: filter_var() in /in/P47X8 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: filter_var() in /in/P47X8 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: filter_var() in /in/P47X8 on line 3