Array
(
    [pa_litres] => WC_Product_Attribute Object
        (
            [data:protected] => Array
                (
                    [id] => 3
                    [name] => pa_litres
                    [options] => Array
                        (
                            [0] => 99
                        )

                    [position] => 0
                    [visible] => 1
                    [variation] => 
                )

        )

    [diameter] => WC_Product_Attribute Object
        (
            [data:protected] => Array
                (
                    [id] => 0
                    [name] => Diameter
                    [options] => Array
                        (
                            [0] => 2420mm
                        )

                    [position] => 1
                    [visible] => 1
                    [variation] => 
                )

        )

    [height] => WC_Product_Attribute Object
        (
            [data:protected] => Array
                (
                    [id] => 0
                    [name] => Height
                    [options] => Array
                        (
                            [0] => 2430mm
                        )

                    [position] => 2
                    [visible] => 1
                    [variation] => 
                )

        )

    [pa_color] => WC_Product_Attribute Object
        (
            [data:protected] => Array
                (
                    [id] => 1
                    [name] => pa_color
                    [options] => Array
                        (
                            [0] => 173
                            [1] => 167
                            [2] => 148
                            [3] => 172
                            [4] => 160
                            [5] => 163
                            [6] => 169
                            [7] => 164
                            [8] => 162
                            [9] => 155
                            [10] => 158
                            [11] => 168
                            [12] => 149
                            [13] => 165
                            [14] => 153
                            [15] => 159
                            [16] => 156
                            [17] => 152
                            [18] => 175
                            [19] => 154
                            [20] => 161
                            [21] => 151
                            [22] => 176
                            [23] => 157
                            [24] => 150
                        )

                    [position] => 5
                    [visible] => 1
                    [variation] => 1
                )

        )

)

WP_Error Object
(
    [errors] => Array
        (
            [invalid_taxonomy] => Array
                (
                    [0] => Invalid taxonomy.
                )

        )

    [error_data] => Array
        (
        )

    [additional_data:protected] => Array
        (
        )

)

pa_litres99

Diameter2420mm

Height2430mm

pa_color173