php 读取二进制图片数据

 $file = $_FILES['file'];//得到传输的数据
        var_dump($file);die;
        //得到文件名称
        $name = $file['name'];
        $type = strtolower(substr($name,strrpos($name,'.')+1)); //得到文件类型，并且都转化成小写
        $allow_type = array('jpg','jpeg','gif','png'); //定义允许上传的类型
        //判断文件类型是否被允许上传
        if(!in_array($type, $allow_type)){
            //如果不被允许，则直接停止程序运行
            return '失败';
        }
        //判断是否是通过HTTP POST上传的
        if(!is_uploaded_file($file['tmp_name'])){
            //如果不是通过HTTP POST上传的
            return '失败' ;
        }
        $upload_path = $_SERVER['DOCUMENT_ROOT']."/static/images/".date('Ymd').uniqid('image_').'.jpg'; //上传文件的存放路径
        //开始移动文件到相应的文件夹
//        if(move_uploaded_file($file['tmp_name'],$upload_path)){
//            $fp      = fopen($upload_path, 'rb');
//            $content = fread($fp, filesize($upload_path)); //二进制数据
//            fclose($fp);
//            $upload_path = $_SERVER['DOCUMENT_ROOT']."/static/images/".date('Ymd').'.jpg'; //上传文件的存放路径
//
//            $fp      = fopen($upload_path, 'w+');
//            fwrite($fp,$content);
//            fclose($fp);
//            echo  $content;
//        }else{
//            echo "Failed!";
//        }

        $fp = fopen($file['tmp_name'],'rb');
        $data['image_content'] = fread($fp, filesize($file['tmp_name'])); //二进制数据
        echo $data['image_content'];die;
        $data['image_name'] = date('Ymd').uniqid('image_').'.jpg';
        $data['image_type'] = 'jpg';