eacache.php

<?php

use Predis\Client;

function getScore() {
    $client = new Client();

    $data = json_decode($client->get('score'), true);
    $time = time();

    if ($client->get('score_lock') || $time - intval($data['time']) < 3) {
        return $data;
    }

    // Set a simple lock so it won't be requested multiple times
    $client->set("score_lock", true);

    $rawJson = file_get_contents("https://www.reddit.com/r/StarWarsBattlefront/comments/7cff0b/seriously_i_paid_80_to_have_vader_locked/dppum98.json");
    $comments = json_decode($rawJson, true);

    $score = abs($comments[1]["data"]["children"][0]["data"]["score"]);

    $data = array('score' => $score, 'time' => $time);
    $client->set('score', json_encode($data));
    // Unlock
    $client->set('score_lock', false);

    return $data;
}