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', 'fe80::414a:a44e:53f2:e694', // Private IP addresses '8.8.8.8', '88.149.1.2', // Good ) as $ip) { echo "'$ip' => "; var_dump(filter_var($ip, FILTER_VALIDATE_IP)); }
Output for 5.2.0 - 7.1.0
'' => bool(false) 'x' => bool(false) ' ' => bool(false) '0.0.0.0' => string(7) "0.0.0.0" '255.255.255.255' => string(15) "255.255.255.255" '127.0.0.1' => string(9) "127.0.0.1" '10.0.0.0' => string(8) "10.0.0.0" '192.168.0.1' => string(11) "192.168.0.1" 'fe80::414a:a44e:53f2:e694%21' => bool(false) 'fe80::414a:a44e:53f2:e694' => string(25) "fe80::414a:a44e:53f2:e694" '8.8.8.8' => string(7) "8.8.8.8" '88.149.1.2' => string(10) "88.149.1.2"
Output for 5.0.0 - 5.1.6
'' => Fatal error: Call to undefined function filter_var() in /in/YsshJ 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/YsshJ 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/YsshJ 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/YsshJ on line 8