function _redirect_uasort

uasort callback; Compare redirects based on language neutrality and rids.

File

core/modules/redirect/redirect.module, line 1269

Code

function _redirect_uasort($a, $b) {
  $a_weight = isset($a->weight) ? $a->weight : 0;
  $b_weight = isset($b->weight) ? $b->weight : 0;
  if ($a_weight != $b_weight) {
    // First sort by weight (case sensitivity).
    return $a_weight > $b_weight;
  }
  elseif ($a->langcode != $b->langcode) {
    // Then sort by language specific over language neutral.
    return $a->langcode == LANGUAGE_NONE;
  }
  elseif (!empty($a->source_options['query']) != !empty($b->source_options['query'])) {
    // Then sort by redirects that do not have query strings over ones that do.
    return empty($a->source_options['query']);
  }
  else {
    // Lastly sort by the highest redirect ID.
    return $a->rid < $b->rid;
  }
}