The way PHP sorts a multidimensional array based on a field _php tips

This example describes how PHP sorts a multidimensional array based on a field. Share to everyone for your reference. The specific analysis is as follows:

Sort the multidimensional array according to a field, and when you see the role of the Array_multisort method, it suddenly occurs to you that you can use this method

This code enables you to sort by array of field fields

Function Sortarrbyfield (& $array, $field, $desc = False) {
  $FIELDARR = array ();
  foreach ($array as $k => $v) {
    $FIELDARR [$k] = $v [$field];
  }
  $sort = $desc = = False? Sort_asc:sort_desc;
  Array_multisort ($FIELDARR, $sort, $array);

I hope this article will help you with your PHP program design.