Cacher is the code snippet organizer for pro developers

<?php

require 'Instagram.php';
use MetzWeb\Instagram\Instagram;

$instagram = new Instagram(array(
  'apiKey'      => 'YOUR_APP_KEY',
  'apiSecret'   => 'YOUR_APP_SECRET',
  'apiCallback' => 'YOUR_APP_CALLBACK' // must point to success.php
));

// set user's accesstoken (can be received after authentication)
$instagram->setAccessToken("2823787.9687902.21u77429n3r79o08233122306fa78902");

// follow user (snoopdogg)
$result = $instagram->modifyRelationship('follow', 1574083);

// receive the list of users this user follows
$follows = $instagram->getUserFollows();

// dump response object
echo '<pre>';
print_r($follows);
echo '<pre>';