class ErrorCollection

class ErrorCollection implements \IteratorAggregate {
    
    /**
     * The HTTP exceptions.
     *
     * @var \Symfony\Component\HttpKernel\Exception\HttpExceptionInterface[]
     */
    protected $errors;
    
    /**
     * Instantiates an ErrorCollection object.
     *
     * @param \Symfony\Component\HttpKernel\Exception\HttpExceptionInterface[] $errors
     *   The errors.
     */
    public function __construct(array $errors) {
        assert(Inspector::assertAll(function ($error) {
            return $error instanceof HttpExceptionInterface;
        }, $errors));
        $this->errors = $errors;
    }
    
    /**
     * Returns an iterator for errors.
     *
     * @return \ArrayIterator
     *   An \ArrayIterator instance
     */
    public function getIterator() : \ArrayIterator {
        return new \ArrayIterator($this->errors);
    }

}