我正在尝试深入研究此数组以获得“ hhggee” 。我如何在woocommerce中做到这一点？
Array
(
[0] => WC_Meta_Data Object
(
[current_data:protected] => Array
(
[id] => 10110
[key] => product_extras
[value] => Array
(
[product_id] => 18
[title] => Site vitrine pour coiffeur
[groups] => Array
(
[4811] => Array
(
[5063] => Array
(
[type] => text
[label] => Nom de votre site
[id] => pewc_group_4811_5063
[group_id] => 4811
[field_id] => 5063
[price] => 0
[value] => hhggee
[flat_rate] => Array
(
)
)
)
)
[price_with_extras] => 35
[products] => Array
(
[field_id] => pewc_group_6823_6824
[child_products] => Array
(
[283] => Array
(
[child_product_id] => Array
(
[0] => 283
[1] => 1178
)
[field_id] => pewc_group_6823_6824
[quantities] => one-only
[allow_none] => 0
)
[1178] => Array
(
[child_product_id] => Array
(
[0] => 283
[1] => 1178
)
[field_id] => pewc_group_6823_6824
[quantities] => one-only
[allow_none] => 0
)
)
[pewc_parent_product] => 18
[parent_field_id] => pewc_5df7f39ed8ab3
)
)
)
[data:protected] => Array
(
[id] => 10110
[key] => product_extras
[value] => Array
(
[product_id] => 18
[title] => Site vitrine pour coiffeur
[groups] => Array
(
[4811] => Array
(
[5063] => Array
(
[type] => text
[label] => Nom de votre site
[id] => pewc_group_4811_5063
[group_id] => 4811
[field_id] => 5063
[price] => 0
[value] => hhggee
[flat_rate] => Array
(
)
)
)
)
[price_with_extras] => 35
[products] => Array
(
[field_id] => pewc_group_6823_6824
[child_products] => Array
(
[283] => Array
(
[child_product_id] => Array
(
[0] => 283
[1] => 1178
)
[field_id] => pewc_group_6823_6824
[quantities] => one-only
[allow_none] => 0
)
[1178] => Array
(
[child_product_id] => Array
(
[0] => 283
[1] => 1178
)
[field_id] => pewc_group_6823_6824
[quantities] => one-only
[allow_none] => 0
)
)
[pewc_parent_product] => 18
[parent_field_id] => pewc_5df7f39ed8ab3
)
)
)
)
)