How to solve WeChat payment php7.0 error problem

Solution to WeChat payment php7.0 error: 1. Check WeChat API; 2. Use "php://inpu" instead of "$GLOBALS['HTTP_RAW_POST_DATA']" to obtain data.

The operating environment of this article: Windows7 system, PHP7.0 version, DELL G3 computer

How to solve WeChat payment php7 .0 error problem?

PHP7 WeChat payment callback failure solution:

After upgrading PHP7, I found that the WeChat payment callback failed. It turns out that $GLOBALS['HTTP_RAW_POST_DATA']; is not defined.

php7 removed this global variable.

The question code is as follows:

WeChat API: WxPay.Api.php

public static function notify($callback, &$msg)
    {
        //获取通知的数据
        $xml = $GLOBALS['HTTP_RAW_POST_DATA'];//这里在php7下不能获取数据，使用 php://input 代替
        if(!$xml){
            $xml = file_get_contents("php://input");
        }
        //如果返回成功则验证签名
        try {
            $result = WxPayResults::Init($xml);
        } catch (WxPayException $e){
            $msg = $e->errorMessage();
            return false;
        }
        
        return call_user_func($callback, $result);
    }

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