geocode-ip.php

<?php
    function geo_ip( $current_ip = 'none' ) {

        $current_ip = ( 'none' == $current_ip ? $_SERVER['REMOTE_ADDR'] : $current_ip );

        $url = 'http://freegeoip.net/json/' . $current_ip;
        $curl = curl_init();
            curl_setopt( $curl, CURLOPT_URL, $url );
            curl_setopt( $curl, CURLOPT_RETURNTRANSFER, true );
            curl_setopt( $curl, CURLOPT_HEADER, false );
            $content = curl_exec( $curl );
        curl_close( $curl );

        return json_decode( $content );

    }

    print_r( geo_ip() );
?>