Array
(
    [0] => Array
        (
            [product_id] => 457
            [category_id] => 73
        )

    [3] => 350
    [4] => 351
    [5] => 352
    [21] => 344
    [22] => 348
    [23] => 349
    [24] => 76
    [25] => 291
    [26] => 24
    [27] => 149
    [28] => 150
    [102] => 73
    [103] => 74
    [104] => 75
    [105] => 85
    [106] => 333
    [107] => 152
    [108] => 153
    [109] => 154
    [110] => 156
    [111] => 157
    [112] => 159
    [113] => 166
    [114] => 167
    [115] => 168
    [116] => 169
)