QControlBase::AddCssClass PHP Метод

    public function AddCssClass($strCssClassName)
    {
        $blnAdded = false;
        $strNewCssClass = '';
        $strCssClassName = trim($strCssClassName);
        foreach (explode(' ', $this->strCssClass) as $strCssClass) {
            if ($strCssClass = trim($strCssClass)) {
                if ($strCssClass == $strCssClassName) {
                    $blnAdded = true;
                }
                $strNewCssClass .= $strCssClass . ' ';
            }
        }
        if (!$blnAdded) {
            $this->CssClass = $strNewCssClass . $strCssClassName;
        } else {
            $this->CssClass = trim($strNewCssClass);
        }
    }