很抱歉這么長的描述，但我已經為合并多個多維關聯數組苦苦掙扎了一天多了。任何人都可以建議實現這一目標的優化方法。我想根據所需的結果創建 HTML 列表。請參閱當前列表的附加圖像。但我想將孩子合并為共同的父母。陣列 1：Array( [cat_id] => 1 [parent_cat_id] => 0 [cat_name] => Collectables [children] => Array ( [cat_id] => 1335 [parent_cat_id] => 1 [cat_name] => Animal Collectables [children] => Array ( [cat_id] => 10811 [parent_cat_id] => 1335 [cat_name] => Bird Collectables [children] => Array ( [cat_id] => 37847 [parent_cat_id] => 10811 [cat_name] => Bluebird ) ) ))陣列 2：Array( [cat_id] => 1 [parent_cat_id] => 0 [cat_name] => Collectables [children] => Array ( [cat_id] => 1335 [parent_cat_id] => 1 [cat_name] => Animal Collectables [children] => Array ( [cat_id] => 10811 [parent_cat_id] => 1335 [cat_name] => Bird Collectables [children] => Array ( [cat_id] => 37848 [parent_cat_id] => 10811 [cat_name] => Hummingbird ) ) ))我希望結果保持原樣，并在同一級別創建另一個子數組子數組，如下所示。Array( [cat_id] => 1 [parent_cat_id] => 0 [cat_name] => Collectables [children] => Array ( [cat_id] => 1335 [parent_cat_id] => 1 [cat_name] => Animal Collectables [children] => Array ( [cat_id] => 10811 [parent_cat_id] => 1335 [cat_name] => Bird Collectables [children] => Array ( [0] => Array( [cat_id] => 37847 [parent_cat_id] => 10811 [cat_name] => Bluebird ) [1] => Array( [cat_id] => 37848 [parent_cat_id] => 10811 [cat_name] => Hummingbird ) ) ) ))[1]：當前列表：https ://i.stack.imgur.com/p4F0X.png
1 回答
胡說叔叔
TA貢獻1804條經驗 獲得超8個贊
array_merge_recursive應該可以幫助你。
一個例子是：
<?php
$arr1['foo']['bar'] = 'foobar';
$arr2['foo']['bar'] = 'barfoo';
print_r(array_merge_recursive($arr1, $arr2));
輸出：
Array
(
? ? [foo] => Array
? ? ? ? (
? ? ? ? ? ? [bar] => Array
? ? ? ? ? ? ? ? (
? ? ? ? ? ? ? ? ? ? [0] => foobar
? ? ? ? ? ? ? ? ? ? [1] => barfoo
? ? ? ? ? ? ? ? )
? ? ? ? )
)
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