PHP如何计算2D数组中的重复值？ [重复]

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这个问题在这里已有答案:

Count duplicate values in multidimensional array 2 answers

计算多维数组2答案中的重复值

PHP: Check for duplicate values in a multidimensional array 5 answers

PHP:检查多维数组中的重复值5个答案

I have this array:

我有这个数组:

Array ( [55118] => Array ( [id] => 55118 
                           [usr_name] => Name 1
                           [usr_employment] => Fulltime
                         )
        [55179] => Array ( [id] => 55179
                           [usr_name] => Name 2
                           [usr_employment] => Fulltime
                         )
        [55549] => Array ( [id] => 55549
                           [usr_name] => Name 1
                           [usr_employment] => Fulltime
                         )
      )

Now 'd like to count how many times "Name 1" exist in my array.
My problem is that it's a 2D array.

现在我想计算我的数组中存在“名称1”的次数。我的问题是它是一个二维数组。

So i'd like to print:

所以我想打印:

Name 1, 2 times
Name 2, 1 time

名称1,2次名称2次,1次

I can't find a correct answer to this question before.

我以前找不到这个问题的正确答案。

1 个解决方案

#1

You can use array_count_values and array_column.

您可以使用array_count_values和array_column。

$counts = array_count_values(array_column($arr, "usr_name"));

This should give you an associative array with key being the name and the value being the count of that name.

这应该为您提供一个关联数组,其中键是名称,值是该名称的计数。

#1