FendxPHP/fendx-framework/fendx-core/src/Config/Config.php

<?php
declare(strict_types=1);

namespace Fendx\Core\Config;

use Fendx\Common\Exception\BusinessException;

final class Config
{
    private static array $data = [];
    private static array $cache = [];

    public static function load(array $config): void
    {
        self::$data = $config;
        self::$cache = [];
    }

    public static function get(string $key, mixed $default = null): mixed
    {
        if ($key === '') {
            return $default;
        }

        // 使用缓存提高性能
        if (isset(self::$cache[$key])) {
            return self::$cache[$key];
        }

        $parts = explode('.', $key);
        $cur = self::$data;
        
        foreach ($parts as $part) {
            if (!is_array($cur) || !array_key_exists($part, $cur)) {
                self::$cache[$key] = $default;
                return $default;
            }
            $cur = $cur[$part];
        }

        self::$cache[$key] = $cur;
        return $cur;
    }

    public static function set(string $key, mixed $value): void
    {
        $parts = explode('.', $key);
        $cur = &self::$data;
        
        foreach ($parts as $part) {
            if (!is_array($cur)) {
                $cur = [];
            }
            if (!array_key_exists($part, $cur)) {
                $cur[$part] = [];
            }
            $cur = &$cur[$part];
        }
        
        $cur = $value;
        
        // 清除相关缓存
        foreach (array_keys(self::$cache) as $cacheKey) {
            if (str_starts_with($cacheKey, $key)) {
                unset(self::$cache[$cacheKey]);
            }
        }
    }

    public static function has(string $key): bool
    {
        return self::get($key) !== null;
    }

    public static function all(): array
    {
        return self::$data;
    }

    public static function clear(): void
    {
        self::$data = [];
        self::$cache = [];
    }
}