(PHP 4, PHP 5, PHP 7, PHP 8)
array_count_values — Counts the occurrences of each distinct value in an 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.
  
arrayThe array of values to count
   Returns an associative array of values from array 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
)