Zicht\Itertools\lib\ZipIterator

Complexity

Total Complexity

6

Size/Duplication

Total Lines	48
Duplicated Lines	12.5 %

Coupling/Cohesion

Components	1
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes	3
Bugs	0	Features	0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	6	11	3
A	rewind()	0	5	1
A	key()	0	4	1
A	next()	0	5	1

<?php
/**
 * @author Boudewijn Schoon <boudewijn@zicht.nl>
 * @copyright Zicht Online <http://zicht.nl>
 */

namespace Zicht\Itertools\lib;

use Zicht\Itertools\lib\Interfaces\FiniteIterableInterface;
use Zicht\Itertools\lib\Traits\FiniteIterableTrait;

/**
 * Class ZipIterator
 *
 * @package Zicht\Itertools\lib
 */
class ZipIterator extends \MultipleIterator implements FiniteIterableInterface
{
    use FiniteIterableTrait;

    /** @var int */
    private $key;

    /**
     * ZipIterator constructor.
     */
    public function __construct()
    {
        parent::__construct(\MultipleIterator::MIT_NEED_ALL | \MultipleIterator::MIT_KEYS_NUMERIC);
        foreach (func_get_args() as $iterable) {

This code seems to be duplicated across your project.

            if (!$iterable instanceof \Iterator) {
                throw new \InvalidArgumentException(sprintf('Not all arguments are iterators'));
            }
            $this->attachIterator($iterable);
        }
        $this->key = 0;
    }

    /**
     * @{inheritDoc}
     */
    public function rewind()
    {
        parent::rewind();
        $this->key = 0;
    }

    /**
     * @{inheritDoc}
     */
    public function key()
    {
        return $this->key;
    }

    /**
     * @{inheritDoc}
     */
    public function next()
    {
        parent::next();
        $this->key += 1;
    }
}