PHP - the number of numbers in a string

Question

How to count the number of times a comma appears on such a line?

A, B, C, D

He must return "3"

Answer 1

substr_count($my_string, ",")

If you want to get all the elements between commas as an array, you can always $splitted = explode(",", $my_string)

Answer 2

You can use for example. substr_count () or explode () .