PHP 手冊
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# array_count_values

(PHP 4 , PHP 5)

array_count_values -- Counts all the values of an array

## Description

array array_count_values ( array input )

array_count_values() returns an array using the values of the input array as keys and their frequency in input as values.

範例 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(), array_unique(), array_values(), and count_chars().

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