Plum\Plum\Filter\SkipFirstFilter

Complexity

Total Complexity

4

Size/Duplication

Total Lines	30
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	8	2
A	filter()	0	10	2

<?php

/**
 * This file is part of plumphp/plum.
 *
 * (c) Florian Eckerstorfer <florian@eckerstorfer.co>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Plum\Plum\Filter;

use LogicException;

/**
 * SkipFirstFilter.
 *
 * @author    Sebastian Göttschkes <sebastian.goettschkes@googlemail.com>
 * @copyright 2014-2016 Florian Eckerstorfer
 */
class SkipFirstFilter implements FilterInterface
{
    /** @var int */
    private $counter;

    public function __construct($counter)
    {
        if (!is_int($counter)) {
            throw new LogicException('SkipFirstFilter expects an integer as first argument');
        }

        $this->counter = $counter;
    }

    /**
     * @param mixed $item
     *
     * @return bool
     */
    public function filter($item)
    {
        if ($this->counter > 0) {
            --$this->counter;

            return false;
        }

        return true;
    }
}