How do i count same values in an array and store it to a variable?

Question

$items = explode(\',\',$product); // values is 4,2,4,2,2,4

$unique_items=array_unique($items); // gives me 4,2

What code should be next to give me

Answer 1

check here : array_count_values() https://www.w3schools.com/php/showphp.asp?filename=demo_func_array_count_values