//$this->show("{\"result\":\"{$result}\",\"message\":\"{$message}\",\"book\":{\"ISBN\":\"{$bookitem['InternationalCode']}\",\"BookBarCode\":\"{$BookBarCode}\",\"bookname\":\"{$bookitem['BookName']}\",\"newId\":\"{$newId}\"}}");
$this->show(json_encode(['result'=>$result,'message'=>$message,'book'=>['ISBN':$bookitem['InternationalCode']],'BookBarCode'=>$BookBarCode,'$BookBarCode'=>$bookitem['BookName'],'newId'=>$newId]));}
我想把上面注释的那一行用 json_encode转换其中的【\"book\":{\"ISBN\":\"{$bookitem['InternationalCode']}\",】需要怎么转化,请求大神帮助,重谢