Warning: wechatCallbackapiTest::valid(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'UTC' for '8.0/no DST' instead in D:\ftpbase\websites\download.xaircraft.cn\wechat_test\wechattoken.php on line 15 Notice: Undefined index: echostr in D:\ftpbase\websites\download.xaircraft.cn\wechat_test\wechattoken.php on line 15 Warning: wechatCallbackapiTest::checkSignature(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'UTC' for '8.0/no DST' instead in D:\ftpbase\websites\download.xaircraft.cn\wechat_test\wechattoken.php on line 63 Notice: Undefined index: signature in D:\ftpbase\websites\download.xaircraft.cn\wechat_test\wechattoken.php on line 63 Warning: wechatCallbackapiTest::checkSignature(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'UTC' for '8.0/no DST' instead in D:\ftpbase\websites\download.xaircraft.cn\wechat_test\wechattoken.php on line 64 Notice: Undefined index: timestamp in D:\ftpbase\websites\download.xaircraft.cn\wechat_test\wechattoken.php on line 64 Warning: wechatCallbackapiTest::checkSignature(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'UTC' for '8.0/no DST' instead in D:\ftpbase\websites\download.xaircraft.cn\wechat_test\wechattoken.php on line 65 Notice: Undefined index: nonce in D:\ftpbase\websites\download.xaircraft.cn\wechat_test\wechattoken.php on line 65