function _validateWarning($code, $params = array())
    {
        $this->_stack->push($code, 'warning', $params, false, false, debug_backtrace());
    }
function _validateWarning($code, $params = array())
    {
        $this->_stack->push($code, 'warning', $params, false, false, debug_backtrace());
    }
function _validateWarning ( $ code , $ params = array ( ) ) { $ this -> _stack -> push ( $ code , 'warning' , $ params , false , false , debug_backtrace ( ) ) ; }
Validation warning.  Does not mark the object contents invalid.
@param error code
@param array error information
@access private
Validation warning . Does not mark the object contents invalid .