php文件上传到远程服务器

最新推荐文章于 2024-10-27 14:21:01 发布

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最新推荐文章于 2024-10-27 14:21:01 发布

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CC 4.0 BY-SA版权

原文链接：https://my.oschina.net/u/232595/blog/1822750

本文介绍了使用PHP进行文件上传及下载的方法。针对不同PHP版本提供了两种实现方式，并详细展示了如何设置curl选项来完成文件的上传与下载操作。

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上传

if (class_exists('\CURLFile')) {
    $field = array('fieldname' => new \CURLFile(realpath($filepath)));
curl_setopt($ch, CURLOPT_SAFE_UPLOAD, true);
} else {
    $field = array('fieldname' => '@' . realpath($filepath));
curl_setopt($ch, CURLOPT_SAFE_UPLOAD, false);
}

下载

$ch = \curl_init($url);
\curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); 
\curl_setopt($ch, CURLOPT_BINARYTRANSFER, true); 
\curl_setopt($ch, CURLOPT_HTTPHEADER, $headerArr);
\curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
\curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 60);
\curl_setopt($ch, CURLOPT_TIMEOUT, 3600);
curl_setopt($ch, CURLOPT_BUFFERSIZE, 20971520);
$flag=0;
curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch ,$str) use (&$flag){
    $len = strlen($str);
    $flag++;
    $type = \curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
    if($flag==1){
        $size = \curl_getinfo($ch, CURLINFO_CONTENT_LENGTH_DOWNLOAD);
        $type = \curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
        $httpcode  = \curl_getinfo($ch, CURLINFO_HTTP_CODE);
        \header("HTTP/1.1 ".$httpcode);
        \header("Content-Type: ".$type);
        \header("Content-Length: ".$size);
        \header('Content-Transfer-Encoding: binary');
        \header('Cache-Control:max-age=2592000');
    }
    echo $str;
    return $len;
});
$output = \curl_exec($ch);

https://blog.youkuaiyun.com/dengjiexian123/article/details/53057593

转载于:https://my.oschina.net/u/232595/blog/1822750