PHP curl传 json字符串

　　　　 $ch = curl_init();
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
        curl_setopt( $ch, CURLOPT_SSL_VERIFYPEER, false );
         curl_setopt( $ch, CURLOPT_SSL_VERIFYHOST, false );
        curl_setopt($ch, CURLOPT_HTTPHEADER, array(
            ‘Content-Type: application/json; charset=utf-8‘,
            ‘Content-Length: ‘.strlen($data))
 　　　　);

服务端获取：

　　$GLOBALS[‘HTTP_RAW_POST_DATA‘]

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