array(1) { [0]=> string(7) "Palermo" } array(2) { [0]=> string(7) "Palermo" [1]=> string(8) "Valletta" } array(2) { [0]=> string(7) "Palermo" [1]=> string(8) "Valletta" } array(3) { [0]=> string(7) "Palermo" [1]=> string(8) "Valletta" [2]=> string(9) "Barcelona" } array(4) { [0]=> string(7) "Palermo" [1]=> string(8) "Valletta" [2]=> string(9) "Barcelona" [3]=> string(9) "Marseille" } array(5) { [0]=> string(7) "Palermo" [1]=> string(8) "Valletta" [2]=> string(9) "Barcelona" [3]=> string(9) "Marseille" [4]=> string(5) "Genua" } array(6) { [0]=> string(7) "Palermo" [1]=> string(8) "Valletta" [2]=> string(9) "Barcelona" [3]=> string(9) "Marseille" [4]=> string(5) "Genua" [5]=> string(13) "Civitavecchia" }