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<?php
/**
* This file is part of the League.csv library
*
* @license http://opensource.org/licenses/MIT
* @link https://github.com/thephpleague/csv/
* @version 8.1.1
* @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\Modifier;
use Iterator;
use IteratorIterator;
/**
* A simple MapIterator
*
* @package League.csv
* @since 3.3.0
* @internal used internally to modify CSV content
*
*/
class MapIterator extends IteratorIterator
{
/**
* The function to be apply on all InnerIterator element
*
* @var callable
*/
private $callable;
/**
* The Constructor
*
* @param Iterator $iterator
* @param callable $callable
*/
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);
}
}
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