How to implode subarrays in a 2-dimensional array?

Question

I want to implode values in to a comma-separated string if they are an array:

I have the following array:

$my_array = [
    \"keywords\" => \"test         


        

Answer 1

Just append values to new array:

$my_array = [
   "keywords" => "test",
   "locationId" => [ 0 => "1", 1 => "2"],
   "industries" => "1",
];
$new_Array = [];
foreach ($my_array as $value) {
    $new_Array[] = is_array($value) ? implode(",", $value) : $value;
}
print_r($new_Array);

And something that can be called a "one-liner"

$new_Array = array_reduce($my_array, function($t, $v) { $t[] = is_array($v) ? implode(",", $v) : $v; return $t; }, []);

Now compare both solutions and tell which is more readable.