protected function getArrayRecursive(array $array, $parent = '')
{
$data = [];
foreach ($array as $key => $value) {
if (gettype($value) == 'array') {
array_merge($data, $this->getArrayRecursive($value, "{$parent}"));
continue;
}
$data["{$parent}.{$key}"] = $value;
}
return $data;
}