Delete fb test users recursively

delete-fb-test-users.php

<?php

// jSON URL which should be requested
$app_id = 'app id';
// get access token here:
// https://graph.facebook.com/oauth/access_token?client_id=<app id>&client_secret=<app secret>&grant_type=client_credentials
$app_access_token = 'access token';
$json_url = 'https://graph.facebook.com/v2.1/'.$app_id.'/accounts/test-users?access_token='.$app_access_token;


function deleteUsers($endpoint, $app_access_token) {
  // Initializing curl
  $ch = curl_init( $endpoint );

  // Configuring curl options
  $options = array(
  CURLOPT_RETURNTRANSFER => true,
  );

  // Setting curl options
  curl_setopt_array( $ch, $options );

  // Getting results
  $result =  curl_exec($ch); // Getting jSON result string

  $fbusers = json_decode($result, true);
  if (!isset($fbusers['data'])) {
    echo "\nlist test users failed?\n", print_r($fbusers, true);
  }

  if (count($fbusers['data']===0)) {
    print_r($fbusers);
  }

  echo "\nfb users: ", count($fbusers['data']), " users\n";

  foreach($fbusers['data'] as $fbuser)
  {
      if (!isset($fbuser["access_token"])) {
        $fbuser["access_token"] = $app_access_token;
      }

      if (isset($fbuser["id"]) && isset($fbuser["access_token"])) {
        $testUID = $fbuser["id"];
        $access_token = $fbuser["access_token"];
        $string = "https://graph.facebook.com/v2.1/$testUID?method=delete&access_token=$access_token";
        $nukeCh = curl_init($string);
        curl_setopt($nukeCh, CURLOPT_CUSTOMREQUEST, 'DELETE');
        echo "\n\n",$string, "\n";
        curl_exec($nukeCh);
      } else {
        echo "Skipped empty uid:\n",print_r($fbuser, true),"\n\n";
      }


  }

  if (isset($fbusers['paging'])) {
    //print_r($fbusers['paging']);
    deleteUsers($endpoint, $app_access_token);
  }
}

deleteUsers($json_url, $app_access_token);

?>