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The array_count_values() function counts the number of repetitions of array values

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2018-05-21 10:17:111436browse

This time I will bring you the array_count_values() function to count the number of times the array value is repeated. What are the precautions for the array_count_values() function to count the number of times the array value is repeated? The following is a practical case, let's take a look.

In PHP, the array_count_values() function is used to count the number of occurrences of all values ​​in an array.
This function returns an array, the key name of its element is the value of the original array, and the key value is the number of times the value appears in the original array.

array_count_values() definition and usage
array_count_values() function is used to count the number of occurrences of all values ​​in an array.

This function returns an array, the key name of its element is the value of the original array, and the key value is the number of times the value appears in the original array.

Syntax
array_count_values(array) Parameter Description
array Required. Specifies the input array.

Example

<?php 
$a=array("Cat","Dog","Horse","Dog"); 
print_r(array_count_values($a)); 
?>

Output:

Array ( [Cat] => 1 [Dog] => 2 [Horse] => 1 )

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related matters on the php Chinese website article!

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