mall/modules/admin/models/file/FileForm.php

<?php
/**
 * 重庆赤晓店信息科技有限公司
 * https://www.chixiaodian.com
 * Copyright (c) 2023 赤店商城 All rights reserved.
 */
namespace app\modules\admin\models\file;
use Curl\Curl;
use yii\base\Model;
class FileForm extends Model{
    /**
     * @param URL转换本地绝对路径
     * @param string $url 目标地址
     * @param addtime 2021年9月1日
     */
    public function getlocalURL($val)
    {
        $pathinfos = pathinfo($val);
        $tzm       = $pathinfos['extension'];
        $save_dir  = "./web/temp/"; // 服务资源目录
        $filename  = date('Ymd') . time() . '.' . $tzm; // 自定义名称
        # 检测文件大小
        $Size  = $this->getFileSize($val);
        $content_type = $this->file_type_detect($val);
        $file_name = str_replace(\Yii::$app->request->hostInfo,\Yii::$app->basePath,$val);
        // 超过10M不保存
        return [
            'filename'=>$file_name,  //图片相对于网站根目录的路径
            'content-type'=>$content_type,  //文件类型
            'filelength'=>$Size,        //图文大小,
            'name'=>'media'
        ];
    }

    /**
     * @param string $target_url 上传目标地址
     * @param $file_info
     * @return bool|string
     */

    public function curlUploadFile(string $target_url, $file_info){
        $url=$target_url;
        $ch1 = curl_init ();
        $data = [$file_info['name'] => new \CURLFile($file_info['filename'])];
        curl_setopt ( $ch1, CURLOPT_URL, $url );
        curl_setopt ( $ch1, CURLOPT_POST, 1 );
        curl_setopt ( $ch1, CURLOPT_RETURNTRANSFER, 1 );
        curl_setopt ( $ch1, CURLOPT_CONNECTTIMEOUT, 5 );
        curl_setopt ( $ch1, CURLOPT_SSL_VERIFYPEER, FALSE );
        curl_setopt ( $ch1, CURLOPT_SSL_VERIFYHOST, false );
        curl_setopt ( $ch1, CURLOPT_POSTFIELDS, $data );
        $result = curl_exec ( $ch1 );
        curl_close ( $ch1 );
        return $result;
    }
    /**
     * 检测文件大小
     * addtime 2021年9月1日
     */
    public function getFileSize($url)
    {
        $res      = get_headers($url, true);
        $filesize = round($res['Content-Length'] , 2); //四舍五入获取文件大小，单位M
        return $filesize;
    }
    public function file_type_detect($srcPath){
        $types = array(
            6677    => 'bmp',
            7173    => 'gif',
            7368    => 'mp3',
            13780   => 'png',
            255216  => 'jpg',
        );
        $curl_obj = new cURL(false);
//        $binary = $curl_obj->get($srcPath);

        $binary = file_get_contents($srcPath);
        $bytes = substr($binary, 0, 2);
        $head = @unpack('C2char', $bytes);
        $typeCode = intval($head['char1'].$head['char2']);
        return $types[$typeCode] ?? $typeCode;
    }
}