PHP - How to remove empty entries of an array recursively?

Question

I need to remove empty entries on multilevel arrays. For now I can remove entries with empty sub-arrays, but not empty arrays... confused, so do I... I think the code will h

Answer 1

I think this should solve your problem.

$retArray =array_filter($array, arrayFilter);

function arrayFilter($array) {
     if(!empty($array)) {
         return array_filter($array);
     }
}