3v4l.org

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']; } var_dump($ip_address); # var_dump($_SERVER);
based on MEuHg
Output for 5.0.4 - 5.0.5, 5.1.1 - 7.1.0
Notice: Undefined variable: ip_address in /in/NVnKr on line 8 NULL
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/NVnKr on line 11
Process exited with code 255.
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: ip_address in /in/NVnKr on line 8 NULL