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<?php
namespace TRex\Collection;
abstract class AbstractSorter
{
const ASC_ORDER = 1;
const DESC_ORDER = -1;
/**
* @var int
*/
private $order;
* @param int $order
public function __construct($order = self::ASC_ORDER)
$this->order = $order;
}
* @param mixed $object1
* @param mixed $object2
* @return int
public function __invoke($object1, $object2)
return $this->compare($this->invoke($object1), $this->invoke($object2));
* calls the property/method/key to extract the value to sort.
*
* @param mixed $object
* @return mixed
abstract protected function invoke($object);
* @param mixed $value1
* @param mixed $value2
private function compare($value1, $value2)
if ($value1 == $value2) {
return 0;
return $this->order(($value1 < $value2) ? -1 : 1);
* @param int $value
private function order($value)
return $this->order * $value;
Raphhh /
trex-collection
