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<?php
declare(strict_types=1);
namespace Yiisoft\Db\Tests\Support;
/**
* TraversableObject
*
* Object that implements `\Traversable` and `\Countable`, but counting throws an exception;
* Used for testing support for traversable objects instead of arrays.
*/
class TraversableObject implements \Iterator, \Countable
{
private int $position = 0;
public function __construct(protected array $data)
}
* @throws \Exception
public function count(): int
throw new \Exception('Count called on object that should only be traversed.');
public function current(): mixed
return $this->data[$this->position];
public function next(): void
$this->position++;
public function key(): mixed
return $this->position;
public function valid(): bool
return array_key_exists($this->position, $this->data);
public function rewind(): void
$this->position = 0;
yiisoft /
db
