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<?php //whether ip is from share internet if (!empty($_SERVER['HTTP_CLIENT_IP'])) { $ip_address = $_SERVER['HTTP_CLIENT_IP']; } //whether ip is from proxy elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) { $ip_address = $_SERVER['HTTP_X_FORWARDED_FOR']; } //whether ip is from remote address else { $ip_address = $_SERVER['REMOTE_ADDR']; } echo $ip_address; ?> - See more at: http://www.w3resource.com/php-exercises/php-basic-exercises.php#sthash.5sPhiktO.dpuf
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined array key "REMOTE_ADDR" in /in/RLJA3 on line 14 - See more at: http://www.w3resource.com/php-exercises/php-basic-exercises.php#sthash.5sPhiktO.dpuf
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined index: REMOTE_ADDR in /in/RLJA3 on line 14 - See more at: http://www.w3resource.com/php-exercises/php-basic-exercises.php#sthash.5sPhiktO.dpuf
Output for 7.3.32 - 7.3.33
- See more at: http://www.w3resource.com/php-exercises/php-basic-exercises.php#sthash.5sPhiktO.dpuf
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Notice: Undefined index: REMOTE_ADDR in /in/RLJA3 on line 14 - See more at: http://www.w3resource.com/php-exercises/php-basic-exercises.php#sthash.5sPhiktO.dpuf

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