This gets the user's location, via their IP address. If the user's IP address is reported as being in an internal range, it does an additional query for their public IP (This is mainly just useful in a development scenario).

GeoLocate.php

<?php

function get_public_ip_address()
{
	// SOURCE: https://github.com/dotancohen/utility-functions/blob/master/ip-addresses.php
	$url="simplesniff.com/ip";
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, $url);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
	$data = curl_exec($ch);
	curl_close($ch);
	return $data;
}

function getCountryByIP()
{
	// Is REMOTE_ADDR there and is it not a '10.' address
	if(isset($_SERVER['REMOTE_ADDR']) && substr($_SERVER['REMOTE_ADDR'],0,3) != '10.'){
		// Use their reported IP
		$ipAdd = trim($_SERVER['REMOTE_ADDR']);
	}else{
		// Use a third-party to get the user's public IP
		$ipAdd = trim(get_public_ip_address());
	}

	$LocationData = unserialize(file_get_contents("http://www.geoplugin.net/php.gp?ip=$ipAdd"));

	return $LocationData['geoplugin_countryName'];
}



echo getCountryByIP();

?>