php 数组区删除重复的,php – 从数组中删除重复的项目
我使用下面的代碼行來(lái)遍歷數(shù)據(jù)庫(kù)中的一個(gè)表：
$items_thread = $connection -> fetch_all($sql);
如果我打印出來(lái)的陣列：
print_r($items_thread);
我會(huì)得到這個(gè)：
Array
(
[0] => Array
(
[RecipientID] => 3
[RecipientScreenname] => Tom L
[RecipientFirstname] => Thomas
[RecipientEmail] => info@xx.com
)
[1] => Array
(
[RecipientID] => 3
[RecipientScreenname] => Tom L
[RecipientFirstname] => Thomas
[RecipientEmail] => info@xx.com
)
[2] => Array
(
[RecipientID] => 1
[RecipientScreenname] => Lau T
[RecipientFirstname] => TK
[RecipientEmail] => lau@xx.co.uk
)
)
但是我想擺脫數(shù)組中的重復(fù)項(xiàng)，所以我使用array_unique
print_r(array_unique($items_thread));
我得到以下奇怪的結(jié)果，這不是我正在尋找的：
Array
(
[0] => Array
(
[RecipientID] => 3
[RecipientScreenname] => Tom L
[RecipientFirstname] => Thomas
[RecipientEmail] => info@xx.com
)
)
理想情況下，我認(rèn)為應(yīng)該返回：
Array
(
[0] => Array
(
[RecipientID] => 3
[RecipientScreenname] => Tom L
[RecipientFirstname] => Thomas
[RecipientEmail] => info@xx.com
)
[1] => Array
(
[RecipientID] => 1
[RecipientScreenname] => Lau T
[RecipientFirstname] => TK
[RecipientEmail] => lau@xx.co.uk
)
)
我該怎么做才能正確的？我使用錯(cuò)誤的PHP語(yǔ)法/默認(rèn)功能？
總結(jié)
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