/** * * 背景图 * @param array $tokens */ public function updateBackgroundImageTokenType($tokens) { foreach ($tokens as &$token) { $value = $token['value']; $urlValue = Fl_Css_Static::isUrlValue($value); if ($urlValue) { //背景图 $token['type'] = 'background-image'; $token['clean_value'] = $urlValue; } } return $tokens; }