final protected function loadCss($css, $fromTheme = false, $once = false) {
        if ($once && !$this->canLoadAsset($css, 'css'))
            return null;
        return '<link rel="stylesheet" type="text/css" href="' . $this->getFile($css . '.css', $fromTheme) . '" />' . "\n";
    }
final protected function loadCss($css, $fromTheme = false, $once = false) {
        if ($once && !$this->canLoadAsset($css, 'css'))
            return null;
        return '<link rel="stylesheet" type="text/css" href="' . $this->getFile($css . '.css', $fromTheme) . '" />' . "\n";
    }
final protected function loadCss ( $ css , $ fromTheme = false , $ once = false ) { if ( $ once && ! $ this -> canLoadAsset ( $ css , 'css' ) ) return null ; return '<link rel="stylesheet" type="text/css" href="' . $ this -> getFile ( $ css . '.css' , $ fromTheme ) . '" />' . "\n" ; }
Loads a style sheet file
@param string $css Filename without the extension with base as ./assets
@param boolean $fromTheme Indicates whether to load the stylesheet from the theme or current module
@param boolean $once Indicates whether to load the stylesheet only once
@return string
Loads a style sheet file