How accurate are PHP methods for determining the country of origin for website visitors based on their IP address?

PHP methods for determining the country of origin for website visitors based on their IP address can be fairly accurate, but they may not always be 100% precise due to factors like VPN usage or IP address masking. To improve accuracy, it's recommended to use a reliable IP geolocation service or database. 

$ip = $_SERVER['REMOTE_ADDR'];
$details = json_decode(file_get_contents("http://ipinfo.io/{$ip}/json"));
$country = $details->country;
echo "Country: " . $country;

Keywords

PHP IP address geolocation accuracy website visitors

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