PHP-合并内部数组时使多维数组唯一

初始数组：

Array 
( 
    [0] => Array ( 
        [0] => "Kate" 
        [1] => Array ( [0] => 1 [1] => 30 [2] => 11 ) 
        [2] => "Seattle" 
    ) 
    [1] => Array ( 
        [0] => "Kate" 
        [1] => Array ( [0] => 100 [1] => 7 [2] => 55 ) 
        [2] => "Seattle" 
    ) 
    [2] => Array ( 
        [0] => "Mike" 
        [1] => Array ( [0] => 1 [1] => 2 [2] => 13 ) 
        [2] => "New York" 
    ) 
    [3] => Array ( 
        [0] => "Paul" 
        [1] => Array ( [0] => 5 [1] => 34 [2] => 9 ) 
        [2] => "Chicago" 
    ) 
    [4] => Array ( 
        [0] => "Mike" 
        [1] => Array ( [0] => 1 [1] => 30 [2] => 13 ) 
        [2] => "New York" 
    ) 
) 

Array 
( 
    [0] => Array ( 
        [0] => "Kate" 
        [1] => Array ( [0] => 1 [1] => 30 [2] => 11 [3] => 100 [4] => 7 [5] => 55 ) 
        [2] => "Seattle" 
    ) 
    [1] => Array ( 
        [0] => "Mike" 
        [1] => Array ( [0] => 1 [1] => 2 [2] => 13 [3] => 30 ) 
        [2] => "New York" 
    ) 
    [2] => Array ( 
        [0] => "Paul" 
        [1] => Array ( [0] => 5 [1] => 34 [2] => 9 ) 
        [2] => "Chicago" 
    ) 
) 

所需输出：

Array 
( 
    [0] => Array ( 
        [0] => "Kate" 
        [1] => Array ( [0] => 1 [1] => 30 [2] => 11 ) 
        [2] => "Seattle" 
    ) 
    [1] => Array ( 
        [0] => "Kate" 
        [1] => Array ( [0] => 100 [1] => 7 [2] => 55 ) 
        [2] => "Seattle" 
    ) 
    [2] => Array ( 
        [0] => "Mike" 
        [1] => Array ( [0] => 1 [1] => 2 [2] => 13 ) 
        [2] => "New York" 
    ) 
    [3] => Array ( 
        [0] => "Paul" 
        [1] => Array ( [0] => 5 [1] => 34 [2] => 9 ) 
        [2] => "Chicago" 
    ) 
    [4] => Array ( 
        [0] => "Mike" 
        [1] => Array ( [0] => 1 [1] => 30 [2] => 13 ) 
        [2] => "New York" 
    ) 
) 

Array 
( 
    [0] => Array ( 
        [0] => "Kate" 
        [1] => Array ( [0] => 1 [1] => 30 [2] => 11 [3] => 100 [4] => 7 [5] => 55 ) 
        [2] => "Seattle" 
    ) 
    [1] => Array ( 
        [0] => "Mike" 
        [1] => Array ( [0] => 1 [1] => 2 [2] => 13 [3] => 30 ) 
        [2] => "New York" 
    ) 
    [2] => Array ( 
        [0] => "Paul" 
        [1] => Array ( [0] => 5 [1] => 34 [2] => 9 ) 
        [2] => "Chicago" 
    ) 
) 

我想根据[0]中的字符串值简化数组，如“Kate”、“Mike”或“Paul”。 在进行此操作时，我希望将[1]中的数组合并起来，并使其成为唯一的，如所需输出中的“Mike”数组

---

我不知道该做什么，也不知道从哪里开始。请帮忙

好的，您正在处理数组，因此可能需要使用。您很可能还需要一个循环来迭代数组。辅助变量也可能有用

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它类似于孩子的玩具，他们将物体插入不同的形状。只需将这些值相互匹配即可。如果它们合适，则合并它们。只有当你不想学的时候，它才是困难的。

你知道你想要什么，但你不知道该做什么或从哪里开始？这听起来像是家庭作业。即使不是这样，你也应该能毫不费力地弄明白。你能至少给我一点提示吗？比如我应该使用哪个函数？