League\Csv\MapIterator

Complexity

Total Complexity

2

Size/Duplication

Total Lines	31
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	5	1
A	current()	0	6	1

<?php
/**
* This file is part of the League.csv library
*
* @license http://opensource.org/licenses/MIT
* @link https://github.com/thephpleague/csv/
* @version 9.0.0
* @package League.csv
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\Csv;

use Iterator;
use IteratorIterator;

/**
 * Iterator to apply a callable on the elements of an Iterator
 *
 * @package League.csv
 * @since  3.3.0
 * @internal used internally to modify Iterator content
 */
class MapIterator extends IteratorIterator
{
    /**
     * The function to be apply on all InnerIterator element
     *
     * @var callable
     */
    private $callable;

    /**
     * Create a map iterator from another iterator
     *
     * @param Iterator $iterator the iterator to run through the callable function
     * @param callable $callable callable to run for each element in the Iterator
     */
    public function __construct(Iterator $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);
    }
}