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<?php
declare(strict_types = 1);
namespace Spreadsheet;
use Spreadsheet\Exception\InvalidArgumentException;
use Innmind\Immutable\MapInterface;
final class Column implements ColumnInterface
{
private $identifier;
private $cells;
public function __construct($identifier, MapInterface $cells)
if (
!is_scalar($identifier) ||
(string) $cells->keyType() !== 'scalar' ||
(string) $cells->valueType() !== CellInterface::class
) {
throw new InvalidArgumentException;
}
$this->identifier = $identifier;
$this->cells = $cells;
/**
* {@inheritdoc}
*/
public function identifier()
return $this->identifier;
public function cells(): MapInterface
return $this->cells;
Baptouuuu /
Spreadsheet
