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(PHP Extension) Geolocation of IP AddressTo get information about an IP address, there are various public web services that can be queried. I would also guess that paid-for services exist. In any case, it's likely the service is accessible via a REST API. This example demonstrates a few public geolocation API's, each of which may have limitations on the number of queries per hour/day/etc. Also, please note that this example was created on 23-Sep-2016. As time goes by, the public services referenced by this example may have changed or disappeared entirely. Make sure to do your research before assuming this example will work. The intent of this example is to give a flavor of what might be possible.
<?php // The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number. // For example, if using Chilkat v9.5.0.48, then include as shown here: include("chilkat_9_5_0.php"); // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // The IP address used in this example is 104.40.211.35 $ipAddress = '104.40.211.35'; // First we'll try the service at freegeoip.net. // They have a limit of 10,000 queries per hour, and also // provide free source code to run your own server. $rest = new CkRest(); // Connect to freegeoip.net $bTls = false; $port = 80; $bAutoReconnect = true; $success = $rest->Connect('freegeoip.net',$port,$bTls,$bAutoReconnect); if ($success == false) { print $rest->lastErrorText() . "\n"; exit; } // Query the IP address to return JSON. $responseJson = $rest->fullRequestNoBody('GET','/json/104.40.211.35'); if ($rest->get_LastMethodSuccess() != true) { print $rest->lastErrorText() . "\n"; exit; } // Just in case we are still connected.. $maxWaitMs = 10; $rest->Disconnect($maxWaitMs); $json = new CkJsonObject(); $json->Load($responseJson); $json->put_EmitCompact(false); print $json->emit() . "\n"; // The JSON we get back looks like this: // { // "ip": "104.40.211.35", // "country_code": "US", // "country_name": "United States", // "region_code": "WA", // "region_name": "Washington", // "city": "Redmond", // "zip_code": "98052", // "time_zone": "America/Los_Angeles", // "latitude": 47.6801, // "longitude": -122.1206, // "metro_code": 819 // } // Examine a few bits of information: print 'country name = ' . $json->stringOf('country_name') . "\n"; print 'country code = ' . $json->stringOf('country_code') . "\n"; // ----------------------------------------------------- // Now to use ip-api.com, which is mostly the same.. $success = $rest->Connect('ip-api.com',$port,$bTls,$bAutoReconnect); if ($success == false) { print $rest->lastErrorText() . "\n"; exit; } // Query the IP address to return JSON. $responseJson = $rest->fullRequestNoBody('GET','/json/104.40.211.35'); if ($rest->get_LastMethodSuccess() != true) { print $rest->lastErrorText() . "\n"; exit; } // Just in case we are still connected.. $rest->Disconnect($maxWaitMs); $json->Load($responseJson); $json->put_EmitCompact(false); print $json->emit() . "\n"; // The JSON we get back looks like this: // This is very strange, because the two services don't agree. // { // "as": "AS8075 Microsoft Corporation", // "city": "Amsterdam", // "country": "Netherlands", // "countryCode": "NL", // "isp": "Microsoft Corporation", // "lat": 52.35, // "lon": 4.9167, // "org": "Microsoft Azure", // "query": "104.40.211.35", // "region": "NH", // "regionName": "North Holland", // "status": "success", // "timezone": "Europe/Amsterdam", // "zip": "1091" // } // Examine a few bits of information: print 'country name = ' . $json->stringOf('country') . "\n"; print 'country code = ' . $json->stringOf('countryCode') . "\n"; ?> |
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