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array_count_values

(PHP 4, PHP 5, PHP 7, PHP 8)

array_count_values — Counts the occurrences of each distinct value in an array

Description

array_count_values(array $array): array

array_count_values() returns an array using the values of array (which must be ints or strings) as keys and their frequency in array as values.

Parameters

array

The array of values to count

Return Values

Returns an associative array of values from array as keys and their count as value.

Errors/Exceptions

Throws E_WARNING for every element which is not string or int.

Examples

Example #1 array_count_values() example

<?php
$array = array(1, "hello", 1, "world", "hello");
print_r(array_count_values($array));
?>

The above example will output:

Array
(
    [1] => 2
    [hello] => 2
    [world] => 1
)

See Also

  • count() - Counts all elements in an array or in a Countable object
  • array_unique() - Removes duplicate values from an array
  • array_values() - Return all the values of an array
  • count_chars() - Return information about characters used in a string

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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.array-count-values.php