(PHP 4, PHP 5)
array_count_values — Counts all the values of an array
array_count_values() returns an array using the values of the input array as keys and their frequency in input as values.
The array of values to count
Returns an associative array of values from input as keys and their count as value.
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
)