array(3) { [0]=> string(13) "text_training" [1]=> string(15) "reservation_btn" [2]=> string(17) "tab_date_location" } int(11752) array(3) { [0]=> string(13) "text_training" [1]=> string(15) "reservation_btn" [2]=> string(17) "tab_date_location" } int(11752) string(20) "Zit niet in de array"