private static function getMarkedAsInstalledColumns($componentPrefix) { $installedVisitColumns = Option::getLike($componentPrefix . '%'); $installedVisitColumns = array_keys($installedVisitColumns); $installedVisitColumns = array_map(function ($entry) use($componentPrefix) { return str_replace($componentPrefix, '', $entry); }, $installedVisitColumns); return $installedVisitColumns; }