Zortje\Rules\Common\Collection

Complexity

Total Complexity

9

Size/Duplication

Total Lines	75
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Test Coverage

Coverage

100%

Importance

Changes

0

6 Methods

Rating	Name	Duplication	Size	Complexity
A	current()	0	6	1
A	key()	0	6	1
A	next()	0	4	1
A	rewind()	0	6	2
A	valid()	0	10	3
A	count()	0	6	1

<?php

namespace Zortje\Rules\Common;

/**
 * Class Collection
 *
 * @package Zortje\Rules\Common
 */
class Collection implements \Iterator, \Countable
{

    protected $collection = [];

    /**
     * Return the current item
     *
     * @return false|mixed Item
     */
    public function current()
    {
        $item = current($this->collection);

        return $item;
    }

    /**
     * Return the key of the current item
     *
     * @return mixed scalar on success, or null on failure.
     */
    public function key()
    {
        $key = key($this->collection);

        return $key;
    }

    /**
     * Move forward to next item
     */
    public function next()
    {
        next($this->collection);
    }

    /**
     * Rewind the collection to the first item
     */
    public function rewind()
    {
        if (is_array($this->collection) === true) {
            reset($this->collection);
        }
    }

    /**
     * Checks if current position is valid
     *
     * @return bool Returns true on success or false on failure.
     */
    public function valid(): bool
    {
        $key = key($this->collection);

        if ($key !== null && $key !== false) {

The if-else statement can be simplified to return $key !== null && $key !== false;.

            return true;
        } else {
            return false;
        }
    }

    /**
     * Count elements of items in collection
     *
     * @return int Count
     */
    public function count(): int
    {
        $count = count($this->collection);

        return $count;
    }
}