/**
 * Validate given tokens
 *
 * @return (bool)
 */
function ossn_validate_actions()
{
    $ossnts = input('ossn_ts');
    $ossntoken = input('ossn_token');
    if (empty($ossnts) || empty($ossntoken)) {
        return false;
    }
    $generate = ossn_generate_action_token($ossnts);
    if ($ossntoken == $generate) {
        return true;
    }
    return false;
}
<?php

/**
 * OpenSource-SocialNetwork
 *
 * @package   (Informatikon.com).ossn
 * @author    OSSN Core Team <*****@*****.**>
 * @copyright 2014 iNFORMATIKON TECHNOLOGIES
 * @license   General Public Licence http://opensource-socialnetwork.com/licence
 * @link      http://www.opensource-socialnetwork.com/licence
 */
$timestamp = time();
$token = ossn_generate_action_token($timestamp);
?>
 <input type="hidden" name="ossn_ts" value="<?php 
echo $timestamp;
?>
" />
 <input type="hidden" name="ossn_token" value="<?php 
echo $token;
?>
" />