How to run array_filter recursively in a PHP array?

Question

Given the following array $mm

Array
(
    [147] => Array
        (
            [pts_m] => 
            [pts_mreg] => 1
            [pts         


        

Answer 1

 array
        (
            "pts_m" => "",
            "pts_mreg" => 1,
            "pts_cg" => 1
        ) ,
    158 => array
        (
            "pts_m" => null ,
            "pts_mreg" => null,
            "pts_cg" => 0
        ),

    159 => array
        (
            "pts_m" => "",
            "pts_mreg" => 1,
            "pts_cg" => 1
        )

);

$count = 0;
foreach ($mm as $m) {
    foreach ($m as $value) {
        if($value !== false && $value !== "" && $value !== null) {
            $count++;
        }
    }
}
echo $count;
?>