Counting the number of specific characters inside string

Question

I\'m sorry, I just found a new problem due to my question about: Get The Number of Sepecific String Inside String.

I have been trying hard, how to find the number of

Answer 1

Try this, it might not be feasible but addresses your problem

function get_num_chars($char) {

    $string = '120201M, 121212M-1, 21121212M, 232323M-2, 32323K, 323232K-1';
    echo substr_count($string, $char);
}
get_num_chars('M,');
get_num_chars('M-1');
get_num_chars('k,');