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<?php
namespace Ninja\Sorter\Comparator;
use Collator;
use Locale;
readonly class UnicodeComparator implements ComparatorInterface
{
private Collator $collator;
public function __construct(?string $locale = null)
if (!$locale) {
$locale = Locale::getDefault();
}
$this->collator = new Collator($locale);
$this->collator->setAttribute(Collator::NUMERIC_COLLATION, Collator::ON);
public function getLocale(): string
return $this->collator->getLocale(Locale::VALID_LOCALE);
/**
* {@inheritdoc}
*/
public function compare(mixed $a, mixed $b): int
$result = $this->collator->compare($a, $b);
return $result !== false ? $result : 0;
public function supports(mixed $value): bool
return $value === null || is_string($value) || is_int($value) || is_float($value);
diego-ninja /
sorter
