AlecRabbit\Accessories\Circular

Complexity

Total Complexity

9

Size/Duplication

Total Lines	75
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

8 Methods

Rating	Name	Duplication	Size	Complexity
A	__invoke()	0	3	1
A	getElement()	0	8	2
A	__construct()	0	4	1
A	rewind()	0	3	1
A	current()	0	3	1
A	valid()	0	4	1
A	next()	0	3	1
A	key()	0	3	1

<?php

declare(strict_types=1);

namespace AlecRabbit\Accessories;

/**
 * Class Circular
 */
class Circular implements \Iterator
{
    /** @var array */
    protected $data;

    /**
     * Circular constructor.
     * @param mixed $data
     */
    public function __construct($data)
    {
        $this->data = $data;
        reset($this->data);
    }

    /**
     * @return mixed
     */
    public function __invoke()
    {
        return $this->getElement();
    }

    /**
     * @return mixed
     */
    public function getElement()
    {
        if (false === $result = current($this->data)) {
            $result = reset($this->data);
        }
        next($this->data);

        return $result;
    }

    /**
     * {@inheritdoc}
     */
    public function current()
    {
        return current($this->data);
    }

    /**
     * {@inheritdoc}
     */
    public function next(): void
    {
        next($this->data);
    }

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

    /**
     * {@inheritdoc}
     */
    public function valid(): bool
    {
        return
            false !== current($this->data);
    }

    /**
     * {@inheritdoc}
     */
    public function rewind(): void
    {
        reset($this->data);
    }
}