public static function getBackgroundA($e, $link_sel) { // Find the value of explicitly defined background for the element $e //cerco il valore di background esplicitamente definito per l'elemento $e $background = BasicChecks::get_p_css_a($e, "background-color", $link_sel); $background = str_replace("'", "", $background); $background = str_replace("\"", "", $background); $background = str_replace("!important", "", $background); return $background; }