3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php foreach(array( '', 'x', ' ', '0.0.0.0', '255.255.255.255', // Some bad IP '127.0.0.1', // localhost '10.0.0.0', '192.168.0.1', 'fe80::414a:a44e:53f2:e694%21', // Private IP addresses '8.8.8.8', // Good ) as $ip) { echo "$ip => "; var_dump(filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4 | FILTER_FLAG_IPV6 | FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE)); }
Output for 5.3.7 - 7.1.0
=> bool(false) x => bool(false) => bool(false) 0.0.0.0 => bool(false) 255.255.255.255 => bool(false) 127.0.0.1 => bool(false) 10.0.0.0 => bool(false) 192.168.0.1 => bool(false) fe80::414a:a44e:53f2:e694%21 => bool(false) 8.8.8.8 => string(7) "8.8.8.8"
Output for 5.2.0 - 5.3.6
=> bool(false) x => bool(false) => bool(false) 0.0.0.0 => bool(false) 255.255.255.255 => bool(false) 127.0.0.1 => bool(false) 10.0.0.0 => bool(false) 192.168.0.1 => bool(false) fe80::414a:a44e:53f2:e694%21 => bool(false) 8.8.8.8 => bool(false)
Output for 5.0.0 - 5.1.6
=> Fatal error: Call to undefined function filter_var() in /in/0Lv4G on line 8
Process exited with code 255.
Output for 4.4.5 - 4.4.9
=> Fatal error: Call to undefined function: filter_var() in /in/0Lv4G on line 8
Process exited with code 255.
Output for 4.3.2 - 4.4.4
=> Fatal error: Call to undefined function: filter_var() in /in/0Lv4G on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1
=> Fatal error: Call to undefined function: filter_var() in /in/0Lv4G on line 8