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    <p>You could download a free GeoIP database and lookup the IP address locally, or you could use a third party service and perform a remote lookup. This is the simpler option, as it requires no setup, but it does introduce additional latency. </p> <p>One third party service you could use is mine, <a href="http://ipinfo.io" rel="noreferrer">http://ipinfo.io</a>. They provide hostname, geolocation, network owner and additional information, eg:</p> <pre><code>$ curl ipinfo.io/8.8.8.8 { "ip": "8.8.8.8", "hostname": "google-public-dns-a.google.com", "loc": "37.385999999999996,-122.0838", "org": "AS15169 Google Inc.", "city": "Mountain View", "region": "CA", "country": "US", "phone": 650 } </code></pre> <p>Here's a PHP example:</p> <pre><code>$ip = $_SERVER['REMOTE_ADDR']; $details = json_decode(file_get_contents("http://ipinfo.io/{$ip}/json")); echo $details-&gt;city; // -&gt; "Mountain View" </code></pre> <p>You can also use it client-side. Here's a simple jQuery example:</p> <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false"> <div class="snippet-code"> <pre class="snippet-code-js lang-js prettyprint-override"><code>$.get("https://ipinfo.io/json", function (response) { $("#ip").html("IP: " + response.ip); $("#address").html("Location: " + response.city + ", " + response.region); $("#details").html(JSON.stringify(response, null, 4)); }, "jsonp");</code></pre> <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"&gt;&lt;/script&gt; &lt;h3&gt;Client side IP geolocation using &lt;a href="http://ipinfo.io"&gt;ipinfo.io&lt;/a&gt;&lt;/h3&gt; &lt;hr/&gt; &lt;div id="ip"&gt;&lt;/div&gt; &lt;div id="address"&gt;&lt;/div&gt; &lt;hr/&gt;Full response: &lt;pre id="details"&gt;&lt;/pre&gt;</code></pre> </div> </div> </p>
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    1. POGetting the location from an IP address
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    1. COYou may want to make sure you add a json on the end of the URL to ensure you get json back instead of the full web page. $details = json_decode(file_get_contents("http://ipinfo.io/{$ip}/json"));
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    2. COYou get JSON without adding /json too if you're requesting it from PHP and not a web browser
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    3. CONot always. I got back the web page and I ran it from PHP.
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