( [0] => Not set, [1] => 5688830, [2] => 5688886, [3] => 5688894, [4] => 5688915, [5] => 5688935, [6] => 5700031, [7] => 5700032, [8] => 5711342, [9] => 5711340, [10] => 5720596, [11] => 5720597, [12] => 5728983, [13] => 5728984, [14] => 5740001, [15] => 5739999, [16] => 5758028, [17] => 5758029, [18] => 5791209, [19] => 5791207, [20] => 5791405, [21] => 5791404, [22] => 5892482, [23] => 5893724, [24] => 5893725, [25] => 5893726, [26] => 5893727, [27] => 5893728, [28] => 5893729, [29] => 5893730, [30] => 5893731, [31] => 5962828, [32] => 5962830, [33] => 5962831, [34] => 5962832, [35] => 5962833, [36] => 5966686, [37] => 5974444, [38] => 5974445, [39] => 5990554, [40] => 6068591, ) ; get the values into a string

$list = implode(', ', $values);