Function.php

<?php

/**
     * [getParam search for a global param in the session example Pagination. 30 by default or 50 by user specific]
     * @param  [type] $param [Param name example Pagination]
     * @return [type]        [return param if exists or false]
     */
    public function getParam($param)
    {
        $auth = new AuthenticationService();
        $default       = null;
        foreach ($auth->getIdentity()->params as $paramTmp) {
            if ($param == $paramTmp->getName() and is_null($paramTmp->getUser())) {
                $default = $paramTmp;
            }
            if ($param == $paramTmp->getName() and !is_null($paramTmp->getUser())) {
                return $paramTmp;
            }
        }
        return (is_null($default) ? false : $default);
    }