sort any array in php with strnatcasecmp

sort-array

// just make sure the $sort_by key exists in $data
public function sort_entries(&$data, $sort_by = false)
{
  if( ! $sort_by )
  {
    $sort_by = 'sort';
  }

  usort($data, function($a, $b) use($sort_by) {
    return strnatcasecmp($a[$sort_by], $b[$sort_by]);
  });
}