微信支付结果查询代码解析

微信支付 开发文档： https://pay.weixin.qq.com/wiki/doc/api/index.html   
未支付
Array    
(    
[appid] => **********    
[device_info] => Array    
(    
)    
[mch_id] => *******    
[nonce_str] => zGAdkvGlF8XyY6yF    
[out_trade_no] => BuyGroupPay_0000_158****    
[result_code] => SUCCESS    
[return_code] => SUCCESS    
[return_msg] => OK    
[sign] => 5D55BDBE676E3B58A41F069CD7F4EFC2    
[total_fee] => 500    
[trade_state] => NOTPAY    
[trade_state_desc] => 订单未支付    
)
支付成功
Array    
(    
[appid] => *********
[attach] => 单篇权限购买,UID:194719,UName:℡****    
[bank_type] => OTHERS    
[cash_fee] => 500    
[cash_fee_type] => CNY    
[fee_type] => CNY    
[is_subscribe] => N    
[mch_id] => 1526422061    
[nonce_str] => S72VbwVv9mkHllYc    
[openid] => ******    
[out_trade_no] => BuyGroupPay_0000_*****61    
[result_code] => SUCCESS    
[return_code] => SUCCESS    
[return_msg] => OK    
[sign] => 2B6B5622E712F497D8FD52DB0A64E5B4    
[time_end] => 20200427173817    
[total_fee] => 500    
[trade_state] => SUCCESS    
[trade_state_desc] => 支付成功    
[trade_type] => NATIVE    
[transaction_id] => 4200000531202004277575529544    
)
订单不存在
Array    
(    
[appid] => **********
[err_code] => ORDERNOTEXIST    
[err_code_des] => 订单不存在    
[mch_id] => *********
[nonce_str] => ***********
[result_code] => FAIL    
[return_code] => SUCCESS    
[return_msg] => OK    
[sign] => D12472C59BC94C0CDC1B0C797CEAB80A    
)
订单已经关闭
Array    
(    
[appid] => 33333333333
[attach] => 购买点数,UID:,UName:    
[mch_id] => ********    
[nonce_str] => vHpYHtEkiBV4vwk2    
[out_trade_no] => BuyGroupPay_0000_1570016651    
[result_code] => SUCCESS    
[return_code] => SUCCESS    
[return_msg] => OK    
[sign] => 7856F6561879DA7084504869F0725ADA    
[trade_state] => CLOSED    
[trade_state_desc] => 订单已关闭    
)