array(22) { [0]=> string(0) "" [1]=> string(1) "" [2]=> string(1) "" [3]=> string(1) "" [4]=> string(1) "" [5]=> string(1) "" [6]=> string(1) "" [7]=> string(1) "x" [8]=> string(1) "x" [9]=> string(1) "x" [10]=> string(1) "x" [11]=> string(1) "x" [12]=> string(1) "x" [13]=> string(1) "x" [14]=> string(1) "x" [15]=> string(1) "" [16]=> string(1) "" [17]=> string(1) "" [18]=> string(1) "" [19]=> string(1) "" [20]=> string(1) "" [21]=> string(0) "" }