我有 2 个数组,例如
老会员:
Array (
[0] => Array
(
[time] => 1361612421
[memberid] => 90
)
[1] => Array
(
[time] => 1361614422
[memberid] => 96
)
[2] => Array
(
[time] => 1361617423
[memberid] => 108
)
)
和新成员
Array (
[0] => Array
(
[time] => 1361618411
[memberid] => 103
)
[1] => Array
(
[time] => 1361618443
[memberid] => 129
)
[2] => Array
(
[time] => 1361618463
[memberid] => 96
)
)
根据 key memberid 从 NewMembers 中删除重复项的最佳方法是什么?例如,在这种情况下,我需要从 NewMembers 中删除第二个数组,因为成员 ID 96 已经存在于位置 1 的 OldMembers 中......我只需要从 NewMembers 数组中删除该实例?