PHP calculates the code for the number of occurrences of the same value in an array (array_count_values), arraycountvalues_php tutorial

PHP calculates the code for the number of occurrences of the same value in an array (array_count_values), arraycountvalues

PHP calculates the number of occurrences of the same value in an array, using PHP's own function array_count_values
：
Description

Array array_count_values (array $input) Array_count_values () returns an array that uses the value in the input array as the key name, and the number of occurrences in the input array as the value.

Array_count_values () example

Copy the Code code as follows:
<?php
$array = Array (1, "Hello", 1, "World", "Hello");
Print_r (Array_count_values ($array));
?>

The above routines will output:

Copy the Code code as follows:
Array
(
[1] = 2
[Hello] = 2
[World] = 1
)

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