public function getParam($key, $default = null)
    {
        $param = parent::getParam($key, $default);

        if (is_string($param)) {
            return trim($param);
        }

        return $param;
    }
public function getParam($key, $default = null)
    {
        $param = parent::getParam($key, $default);

        if (is_string($param)) {
            return trim($param);
        }

        return $param;
    }
public function getParam ( $ key , $ default = null ) { $ param = parent :: getParam ( $ key , $ default ) ; if ( is_string ( $ param ) ) { return trim ( $ param ) ; } return $ param ; }
Retrieve a parameter.

Retrieves a parameter from the instance. Priority is in the order of
userland parameters (see {@link setParam()}), $_GET, $_POST. If a
parameter matching the $key is not found, null is returned.

If the $key is an alias, the actual key aliased will be used.

@param mixed $key
@param mixed $default Default value to use if key not found
@return mixed
Retrieve a parameter .