public function getContactInfoAction()
 {
     $request = $_GET;
     $token = isset($request['TOKEN']) ? trim($request['TOKEN']) : null;
     if (!$token) {
         return ['STATUS_CODE' => STATUS_CODE_BAD_REQUEST, 'DATA' => buckys_api_get_error_result('Api token should not be blank')];
     }
     if (!($userID = BuckysUsersToken::checkTokenValidity($token, "api"))) {
         return ['STATUS_CODE' => STATUS_CODE_UNAUTHORIZED, 'DATA' => buckys_api_get_error_result('Api token is not valid.')];
     }
     $contactInfo = BuckysUser::getUserContactInfo($userID);
     return ['STATUS_CODE' => STATUS_CODE_OK, 'DATA' => ['STATUS' => 'SUCCESS', 'RESULT' => $contactInfo]];
 }
<?php

require dirname(__FILE__) . '/includes/bootstrap.php';
//If the user is not logged in, redirect to the index page
if (!($userID = buckys_is_logged_in())) {
    buckys_redirect('/index.php');
}
//Getting UserData from Id
$userData = BuckysUser::getUserContactInfo($userID);
//Goto Homepage if the userID is not correct
if (!buckys_not_null($userData)) {
    buckys_redirect('/index.php');
}
if (isset($_POST['action'])) {
    //Check the user id is same with the current logged user id
    if ($_POST['userID'] != $userID) {
        echo 'Invalid Request!';
        exit;
    }
    //Save Primary Email
    if ($_POST['action'] == 'save_email') {
        //Check the email address is valid or not
        $pattern = '/^([a-zA-Z0-9_+\\.\\-])+\\@(([a-zA-Z0-9\\-])+\\.)+([a-zA-Z0-9])+$/';
        /*if( !preg_match($pattern, $_POST['email']) )
          {
              echo 'Please input a valid e-mail address';
              exit;
          }
          //Check if the email is used or not
          if( BuckysUser::checkEmailDuplication($_POST['email'], $userID) )
          {