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<?php
/**
* This file is part of the FastFeed package.
*
* (c) Daniel González <daniel@desarrolla2.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace FastFeed\Processor;
/**
* LimitProcessor
* Set the max number of items in result set
*/
class LimitProcessor implements ProcessorInterface
{
/**
* @var int
*/
protected $limit;
/**
* @param int $limit
*/
public function __construct($limit)
{
$this->setLimit($limit);
}
/**
* Set the max number of items in result set
*
* @param int $limit
*/
public function setLimit($limit)
{
$this->limit = (int) $limit;
}
/**
* @param array $items
*
* @return array
*/
public function process(array $items)
{
if (!$this->limit) {
return $items;
}
$total = count($items);
if ($this->limit > $total) {
return $items;
}
for ($i = $this->limit; $i < $total; $i++) {
if (isset($items[$i])) {
unset ($items[$i]);
}
}
return $items;
}
}