(PHP 4, PHP 5, PHP 7)
array_count_values — Counts all the values of an array
array_count_values ( array $array ) : array
array_count_values() returns an array using the values of array
as keys and their frequency in array
as values.
array
The array of values to count
Returns an associative array of values from array
as keys and their count as value.
Throws E_WARNING
for every element which is not string or int.
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 )
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https://www.php.net/manual/en/function.array-count-values.php