DuplicateEntityRanking::compare

static function compare(DuplicateEntityRanking $a, DuplicateEntityRanking $b)
{
	if($a->editable !== $b->editable)
	{
		return $a->editable ? 1 : -1;
	}

	$result = $a->referenceCount - $b->referenceCount;
	if($result === 0)
	{
		$result = $a->lastChanged - $b->lastChanged;
	}
	if($result === 0)
	{
		$result = $a->completeness - $b->completeness;
	}
	return $result;
}