zhaobiao/extend/sdModule/makeAdminBasics/ConfigHelper.php

<?php
/**
 *
 * ConfigHelper.php
 * User: ChenLong
 * DateTime: 2020/3/9 13:22
 */


namespace sdModule\makeAdminBasics;


class ConfigHelper
{
    /**
     * 配置
     * @var array
     */
    private static $config = [];

    /**
     * 加载配置
     */
    private static function loadConfig()
    {
        if (!self::$config) {
            self::$config = include_once __DIR__ . '/config.php';
        }
    }

    /**
     * 获取配置
     * @param      $key
     * @param null $default
     * @return mixed|null
     */
    public static function get($key, $default = null)
    {
        self::loadConfig();
        $value = self::$config;
        foreach (explode('.', $key) as $subKey) {
            if (!is_array($value)) break ;
            $value = empty($value[$subKey]) ? $default : $value[$subKey];
        }

        return $value;
    }
}