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<?php function ip_info($ip = NULL, $purpose = "location", $deep_detect = TRUE) { $output = NULL; if (filter_var($ip, FILTER_VALIDATE_IP) === FALSE) { $ip = $_SERVER["REMOTE_ADDR"]; if ($deep_detect) { if (filter_var(@$_SERVER['HTTP_X_FORWARDED_FOR'], FILTER_VALIDATE_IP)) $ip = $_SERVER['HTTP_X_FORWARDED_FOR']; if (filter_var(@$_SERVER['HTTP_CLIENT_IP'], FILTER_VALIDATE_IP)) $ip = $_SERVER['HTTP_CLIENT_IP']; } } $purpose = str_replace(array("name", "\n", "\t", " ", "-", "_"), NULL, strtolower(trim($purpose))); $support = array("country", "countrycode", "state", "region", "city", "location", "address"); $continents = array( "AF" => "Africa", "AN" => "Antarctica", "AS" => "Asia", "EU" => "Europe", "OC" => "Australia (Oceania)", "NA" => "North America", "SA" => "South America" ); if (filter_var($ip, FILTER_VALIDATE_IP) && in_array($purpose, $support)) { $ipdat = @json_decode(file_get_contents("http://www.geoplugin.net/json.gp?ip=" . $ip)); if (@strlen(trim($ipdat->geoplugin_countryCode)) == 2) { switch ($purpose) { case "location": $output = array( "city" => @$ipdat->geoplugin_city, "state" => @$ipdat->geoplugin_regionName, "country" => @$ipdat->geoplugin_countryName, "country_code" => @$ipdat->geoplugin_countryCode, "continent" => @$continents[strtoupper($ipdat->geoplugin_continentCode)], "continent_code" => @$ipdat->geoplugin_continentCode ); break; case "address": $address = array($ipdat->geoplugin_countryName); if (@strlen($ipdat->geoplugin_regionName) >= 1) $address[] = $ipdat->geoplugin_regionName; if (@strlen($ipdat->geoplugin_city) >= 1) $address[] = $ipdat->geoplugin_city; $output = implode(", ", array_reverse($address)); break; case "city": $output = @$ipdat->geoplugin_city; break; case "state": $output = @$ipdat->geoplugin_regionName; break; case "region": $output = @$ipdat->geoplugin_regionName; break; case "country": $output = @$ipdat->geoplugin_countryName; break; case "countrycode": $output = @$ipdat->geoplugin_countryCode; break; } } } return $output; } $ipinfo = ip_info($_SERVER['REMOTE_ADDR']); echo $ipinfo['country_code'];
Output for 5.5.0 - 7.2.6
Notice: Undefined index: REMOTE_ADDR in /in/9go2v on line 66 Notice: Undefined index: REMOTE_ADDR in /in/9go2v on line 5