Bdf\Form\Transformer\NullTransformer

Complexity

Total Complexity

4

Size/Duplication

Total Lines	35
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	transformFromHttp()	0	3	1
A	instance()	0	7	2
A	transformToHttp()	0	3	1

<?php

namespace Bdf\Form\Transformer;

use Bdf\Form\ElementInterface;

/**
 * Null object for form transformer
 */
final class NullTransformer implements TransformerInterface
{
    /**
     * @var NullTransformer|null
     */
    private static $instance;

    /**
     * {@inheritdoc}
     */
    public function transformToHttp($value, ElementInterface $input)
    {
        return $value;
    }

    /**
     * {@inheritdoc}
     */
    public function transformFromHttp($value, ElementInterface $input)
    {
        return $value;
    }

    /**
     * Get the null transformer instance
     *
     * @return static
     */
    public static function instance(): self
    {
        if (self::$instance) {
            return self::$instance;
        }

        return self::$instance = new self();
    }
}