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<?php
/*
* @copyright (c) 2019 Mendel <[email protected]>
* @license see license.txt
*/
namespace drycart\data\Iterator;
use drycart\data\CompareHelper;
/**
* Sort iterator data using order rules
*
* @author mendel
class SortIterator extends \SplHeap
{
* Orders
* @var array
protected $orders = [];
* Constructor
* @param \Traversable $iterator
* @param array $orders
public function __construct(\Traversable $iterator, array $orders)
$this->orders = $orders;
foreach ($iterator as $line) {
$this->insert($line);
}
// Dont call parent, because it not exist (Yes, not exist!)
//parent::__construct();
* Compare two element using order rules
* @param type $value1
* @param type $value2
* @return int
protected function compare($value1, $value2): int
return CompareHelper::compareByOrders($this->orders, $value1, $value2);
drycart /
data
