Quick script to get all of the followers for Twitter users.

followers.php

<?php
// Require the TwitterOAuth library. http://github.com/abraham/twitteroauth
require_once('twitteroauth/twitteroauth.php');
$connection = new TwitterOAuth(CONSUMER_KEY, CONSUMER_SECRET, ACCESS_TOKEN, ACCESS_SECRET);

// Empty array that will be used to store followers.
$profiles = array();
// Get the ids of all followers.
$ids = $connection->get('followers/ids');
// Chunk the ids in to arrays of 100.
$ids_arrays = array_chunk($ids, 100);

// Loop through each array of 100 ids.
foreach($ids_arrays as $implode) {
  // Perform a lookup for each chunk of 100 ids.
  $results = $connection->get('users/lookup', array('user_id' => implode(',', $implode)));
  // Loop through each profile result.
  foreach($results as $profile) {
    // Use screen_name as key for $profiles array.
    $profiles[$profile->screen_name] = $profile;
  }
}

// Array of user objects.
var_dump($profiles);

i want to get all the followers of users and want to download list in csv or any other formet, so this will help or not?

Can this will come to 'rate limit exceeded' error of twitter api or not ?