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', // Private IP addresses 'fe80::414a:a44e:53f2:e694%21') 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 5.2.0 - 7.1.0
ip => bool(false) ip => bool(false) ip => bool(false) ip => bool(false) ip => bool(false) ip => bool(false) ip => bool(false) ip => bool(false) ip => bool(false)
Output for 5.0.0 - 5.1.6
ip => Fatal error: Call to undefined function filter_var() in /in/3HUsB on line 7
Process exited with code 255.
Output for 4.4.5 - 4.4.9
ip => Fatal error: Call to undefined function: filter_var() in /in/3HUsB on line 7
Process exited with code 255.
Output for 4.3.2 - 4.4.4
ip => Fatal error: Call to undefined function: filter_var() in /in/3HUsB on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1
ip => Fatal error: Call to undefined function: filter_var() in /in/3HUsB on line 7