3v4l.org

run code in 300+ PHP versions simultaneously
<?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 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(9) "127.0.0.1" bool(false) bool(false) bool(false) bool(false)
Output for 5.0.0 - 5.0.5, 5.1.0 - 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 - 4.3.11, 4.4.0 - 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
preferences:
304.87 ms | 401 KiB | 424 Q