A small PHP script that can act as the server-side for the Androind geolocation-tracking app Backtitude.

backtitude-server.php

<?php

$mysqli = new mysqli("localhost", "loc", "[password redacted]", "loc");

if ($mysqli->connect_errno) {
    printf("Connect failed: %s\n", $mysqli->connect_error);
    exit();
}

if ($_POST) {

	$query = sprintf("INSERT into locations (latitude, longitude, loc_timestamp, req_timestamp, accuracy, offset) values ('%s', '%s', '%s', '%s', '%s', '%s')",
				mysqli_real_escape_string($mysqli, $_POST['latitude']),
				mysqli_real_escape_string($mysqli, $_POST['longitude']),
				mysqli_real_escape_string($mysqli, $_POST['loc_timestamp']),
				mysqli_real_escape_string($mysqli, $_POST['req_timestamp']),
				mysqli_real_escape_string($mysqli, $_POST['accuracy']),
				mysqli_real_escape_string($mysqli, $_POST['offset']));

	if (mysqli_query($mysqli, $query) === TRUE) {
		header("HTTP/1.1 201 OK");
	}
	else {
		printf("INSERT failed: %s\n", $mysqli->connect_error);
		exit();
	}
}