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<?php
namespace PhpCommon\Comparison\Comparator;
use PhpCommon\Comparison\Comparator;
/**
* A comparator the uses a callback to compare values.
*
* This comparator is useful when simple, one-off comparators need to be
* created. It can be used to change or extend existing comparators in order to
* achieve new ones that better fit to the underlying needs.
* @author Marcos Passos <[email protected]>
*/
class CallbackComparator implements Comparator
{
* @var callable
protected $callback;
* CallbackComparator constructor.
* @param callable $callback
public function __construct(callable $callback)
$this->callback = $callback;
}
* {@inheritdoc}
public function compare($left, $right)
return call_user_func_array($this->callback, [$left, $right]);
marcospassos /
phpcommon-comparison
