Block::sort

public static Block::sort(ConfigEntityInterface $a, ConfigEntityInterface $b)

public static function sort(ConfigEntityInterface $a, ConfigEntityInterface $b) {
  // Separate enabled from disabled.
  $status = (int) $b->status() - (int) $a->status();
  if ($status !== 0) {
    return $status;
  }
  // Sort by weight, unless disabled.
  if ($a->getRegion() != static::BLOCK_REGION_NONE) {
    $weight = $a->getWeight() - $b->getWeight();
    if ($weight) {
      return $weight;
    }
  }
  // Sort by label.
  return strcmp($a->label(), $b->label());
}