3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo file_get_contents('http://api.predator.wtf/lookup/?arguments='.$_SERVER['REMOTE_ADDR']);
Output for 5.3.20 - 5.4.45, 5.5.33, 5.6.18 - 5.6.19, 7.0.4, 7.0.20, 7.1.5 - 7.2.0
Notice: Undefined index: REMOTE_ADDR in /in/pqqOO on line 2 Warning: file_get_contents(): php_network_getaddresses: getaddrinfo failed: System error in /in/pqqOO on line 2 Warning: file_get_contents(http://api.predator.wtf/lookup/?arguments=): failed to open stream: php_network_getaddresses: getaddrinfo failed: System error in /in/pqqOO on line 2
Output for 5.5.24 - 5.5.32, 5.5.34 - 5.6.17, 5.6.20 - 7.0.3, 7.0.5 - 7.0.6, 7.1.0
Notice: Undefined index: REMOTE_ADDR in /in/pqqOO on line 2 Warning: file_get_contents(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/pqqOO on line 2 Warning: file_get_contents(http://api.predator.wtf/lookup/?arguments=): failed to open stream: php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/pqqOO on line 2