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.
Example 1. array_count_values() example $array = array(1,"hello",1,"world","hello"); array_count_values($array); // returns array(1=>2, "hello"=>2, "world"=>1) |
Note: This function was added in PHP 4.0.