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run code in 150+ php & hhvm versions
Bugs & Features
<?php if(! empty($_SERVER['HTTP_CLIENT_IP'])){ $ip_address=$_SERVER['HTTP_CLIENT_IP']; } else if(! empty($_SERVER['HTTP_CLIENT_IP'])){ $ip_address=$_SERVER['HTTP_CLIENT_IP']; } else{ $ip_address=$_SERVER['REMOTE_ADDR']; } var_dump($ip_address);
based on HtIgY
Output for 5.3.0 - 7.1.0
Notice: Undefined index: REMOTE_ADDR in /in/92sEq on line 7 NULL
Output for 4.3.0 - 5.2.17
Notice: Undefined index: REMOTE_ADDR in /in/92sEq on line 7 NULL