Guernsey mountain, hill, rock...

<?php

// Demo token. (Replace it with your token).
$token = '93a1f6fc-3fa2-40ee-9fae-0ff301df50f0';
$url = 'https://wildtracks.pro/api/mountains/all/gg/json/'.$token;
// We receive confirmation via the LINK
$jsonData = file_get_contents($url);
// Checking if the data was received successfully
if ($jsonData === false) {
    die('Error receiving data from the URL');
}
// Converting JSON to an associative array
$dataArray = json_decode($jsonData, true);
// Checking if it was possible to convert JSON to an array
if ($dataArray === null) {
    die('Error decoding JSON');
}
// Output an array
echo "<pre>";
print_r($dataArray);
echo "</pre>";

?>