Zicht\Itertools\lib\Traits\ChainTrait

Complexity

Total Complexity

2

Size/Duplication

Total Lines	36
Duplicated Lines	100 %

Coupling/Cohesion

Components	0
Dependencies	0

Test Coverage

Coverage

100%

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
A	chain()	13	13	2

<?php
/**
 * @copyright Zicht Online <http://zicht.nl>
 */

// phpcs:disable Zicht.Commenting.FunctionComment.ExtraParamComment

namespace Zicht\Itertools\lib\Traits;

use Zicht\Itertools\lib\ChainIterator;

trait ChainTrait

This class seems to be duplicated in your project.

{
    /**
     * Returns an iterator that returns elements from the first iterable
     * until it is exhausted, then proceeds to the next iterable, until
     * all the iterables are exhausted.
     *
     * Used for creating consecutive sequences as a single sequence.
     *
     * Note that the keys of the returned ChainIterator follow 0, 1, etc,
     * regardless of the keys given in the iterables.
     *
     * > iter\iterable([1, 2, 3], [4, 5, 6])->chain()
     * 1 2 3 4 5 6
     *
     * > iter\iterable('ABC', 'DEF')->chain()
     * A B C D E F
     *
     * @param array|string|\Iterator $iterable

There is no parameter named $iterable. Was it maybe removed?

     * @param array|string|\Iterator $iterable2

There is no parameter named $iterable2. Was it maybe removed?

     * @return null|ChainIterator
     */
    public function chain(/* $iterable, $iterable2, ... */)
    {
        if ($this instanceof \Iterator) {
            $iterables = array_map(
                '\Zicht\Itertools\conversions\mixed_to_iterator',
                func_get_args()
            );
            $reflectorClass = new \ReflectionClass('\Zicht\Itertools\lib\ChainIterator');
            return $reflectorClass->newInstanceArgs(array_merge([$this], $iterables));
        }

        return null;
    }
}