external api php

1<?php
2function getServerStatistics($url) {
3    $statisticsJson = file_get_contents($url);
4    if ($statisticsJson === false) {
5       return false;
6    }
7
8    $statisticsObj = json_decode($statisticsJson);
9    if ($statisticsObj !== null) {
10       return false;
11    }
12
13    return $statisticsObj;
14}
15
16// ...
17
18$stats = getServerStatistics($url);
19if ($stats !== false) {
20    print $stats->players->online;
21}
22