Graze\DataFile\Helper\MapIterator

Complexity

Total Complexity

2

Size/Duplication

Total Lines	30
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Test Coverage

Coverage

100%

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	5	1
A	current()	0	5	1

<?php
/**
 * This file is part of graze/data-file
 *
 * Copyright (c) 2016 Nature Delivered Ltd. <https://www.graze.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @license https://github.com/graze/data-file/blob/master/LICENSE.md
 * @link    https://github.com/graze/data-file
 */

namespace Graze\DataFile\Helper;

use IteratorIterator;
use Traversable;

class MapIterator extends IteratorIterator
{
    /**
     * Function to apply to each iterated element
     *
     * @var callable
     */
    private $callable;

    /**
     * MapIterator constructor.
     *
     * @param Traversable $iterator
     * @param callable    $callable
     */
    public function __construct(Traversable $iterator, callable $callable)
    {
        parent::__construct($iterator);
        $this->callable = $callable;
    }

    /**
     * Get the value of the current element
     */
    public function current()
    {
        $iterator = $this->getInnerIterator();
        return call_user_func($this->callable, $iterator->current(), $iterator->key(), $iterator);
    }
}