taoqu/Library/WeatherLib.php

<?php

namespace Heanup\Library;



use Heanup\Library\WeatherAdapt\Weather;

class WeatherLib
{
    private static $instance;

    public function __construct()
    {

    }

    /**
     * @param $adapter
     * @return Weather
     */
    public static function getInstance($adapter)
    {
        if (!isset(self::$instance[md5($adapter)])) {
            try{
                $class = "Heanup\\Library\\WeatherAdapt\\".$adapter . "Adapter";
                $instance = new $class();
                self::$instance[md5($adapter)] = $instance;
            }catch (\Throwable $exception){
                var_dump($exception);
            }

        }
        return self::$instance[md5($adapter)];
    }
}