<?php
$arrays = [
"a" => [
"name" => "Name 1",
"age" => "99",
"add" => "",
],
"b" => [
"name" => "Name 2",
"age" => "99",
"add" => "Add2",
],
"c" => [
"name" => "Name 3",
"age" => "99",
"add" => "Add3",
],
"d" => [
"name" => "",
"age" => "",
"add" => "Add4",
],
];
$result = [];
array_walk($arrays, function ($el, $key) use (&$result) {
$empty = array_filter($el, function ($el) {
return $el == "";
});
/*$empty_keys = array_keys($empty);
if (count($empty_keys)) {
$result[$key] = $empty_keys;
}*/
if (($empty)) {
$result['res'] = $result[$key];
}
else{
$result['res'] = false;
}
});
print_r($result);