<?php

namespace mt;

use phpcommon;

class Parameter {

    public static function get($id)
    {
        return array_key_exists($id, self::getMetaList()) ? self::getMetaList()[$id] : null;
    }

    public static function getOldParam($id)
    {
        $meta = self::get($id);
        return array(
            'id' => $meta['id'],
            'name' => $meta['param_name'],
            'value' => $meta['param_value'],
            'param_name' => $meta['param_name'],
            'param_value' => $meta['param_value'],
        );
    }

    protected static function getMetaList()
    {
        if (!self::$metaList) {
            self::$metaList = getMetaTable('parameter@parameter.php');
        }
        return self::$metaList;
    }

    protected static $metaList;

}