Spiral\Framework\Environment

Complexity

Total Complexity

9

Size/Duplication

Total Lines	79
Duplicated Lines	0 %

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	getID()	0	8	2
A	set()	0	7	1
A	get()	0	8	2
A	normalize()	0	13	3

<?php
/**
 * Spiral Framework.
 *
 * @license   MIT
 * @author    Anton Titov (Wolfy-J)
 */

namespace Spiral\Framework;

final class Environment implements EnvironmentInterface
{
    const VALUE_MAP = [
        'true'    => true,
        '(true)'  => true,
        'false'   => false,
        '(false)' => false,
        'null'    => null,
        '(null)'  => null,
        'empty'   => ''
    ];

    /** @var string|null */
    private $id = null;

    /** @var array */
    private $values = [];

    /**
     * @param array $values
     */
    public function __construct(array $values = [])
    {
        $this->values = $values + $_ENV + $_SERVER;
    }

    /**
     * @inheritdoc
     */
    public function getID(): string
    {
        if (empty($this->id)) {
            $this->id = md5(serialize($this->values));
        }

        return $this->id;
    }

    /**
     * @inheritdoc
     */
    public function set(string $name, $value)
    {
        $this->values[$name] = $_ENV[$name] = $value;
        putenv("$name=$value");

        $this->id = null;
    }

    /**
     * @inheritdoc
     */
    public function get(string $name, $default = null)
    {
        if (isset($this->values[$name])) {
            return $this->normalize($this->values[$name]);
        }

        return $default;
    }

    /**
     * @param mixed $value
     * @return bool|null|string
     */
    protected function normalize($value): ?string
    {
        if (!is_string($value)) {
            return $value;
        }

        $alias = strtolower($value);
        if (isset(self::VALUE_MAP[$alias])) {
            return self::VALUE_MAP[$alias];
        }

        return $value;
    }
}