/home/sharedstore/public_html/prestashop.sharedstore.ma/src/Core/Data
Edit: /home/sharedstore/public_html/prestashop.sharedstore.ma/src/Core/Data/ImmutableCollection.php (2426B)
* @copyright Since 2007 PrestaShop SA and Contributors
* @license https://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
*/
declare(strict_types=1);
namespace PrestaShop\PrestaShop\Core\Data;
use ArrayIterator;
use Countable;
use IteratorAggregate;
use Traversable;
/**
* @template T
* @template-implements IteratorAggregate
*/
abstract class ImmutableCollection implements IteratorAggregate, Countable
{
/** @var T[] */
protected $values;
/**
* @param T[] $values
*
* Keep the constructor protected to keep immutability, the subclasses should not change this constructor
* and rely on a static factory method for their construction:
*
* public static function from(T ...$values): static
*/
protected function __construct(array $values)
{
$this->values = $values;
}
/**
* @return ArrayIterator|T[]
*/
public function getIterator(): Traversable
{
return new ArrayIterator($this->values);
}
public function count(): int
{
return count($this->values);
}
/**
* @return T
*/
public function first()
{
return reset($this->values);
}
/**
* @return static
*/
public function filter(callable $callback): self
{
return new static(array_filter($this->values, $callback));
}
public function isEmpty(): bool
{
return empty($this->values);
}
}