PHP递归备份脚本 [英] PHP Recursive Backup Script

问题描述

我为我的网站编写了一个基本的内容管理系统，包括一个管理面板.我了解基本文件IO以及通过PHP复制的知识，但是我尝试从该脚本调用的备份脚本的尝试失败了.我尝试这样做:

I wrote a basic content-management system for my website, including an administration panel. I understand basic file IO as well as copying via PHP, but my attempts at a backup script callable from the script have failed. I tried doing this:

//... authentication, other functions
for(scandir($homedir) as $buffer){
    if(is_dir($buffer)){
        //Add $buffer to an array
    }
    else{
        //Back up the file
    }
}
for($founddirectories as $dir){
    for(scandir($dir) as $b){
        //Backup as above, adding to $founddirectories
    }
}

但是它似乎没有用.

我知道我可以使用FTP来做到这一点，但是我想要一个完全服务器端的解决方案，该解决方案可以在具有足够授权的任何地方进行访问.

I know that I can do this using FTP, but I want a completely server-side solution that can be accessed anywhere with sufficient authorization.

推荐答案

不过，这是另一种选择:为什么不

Here is an alternative though: why don't you Zip the source directory instead?

function Zip($source, $destination)
{
    if (extension_loaded('zip') === true)
    {
        if (file_exists($source) === true)
        {
            $zip = new ZipArchive();

            if ($zip->open($destination, ZIPARCHIVE::CREATE) === true)
            {
                $source = realpath($source);

                if (is_dir($source) === true)
                {
                    $files = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($source), RecursiveIteratorIterator::SELF_FIRST);

                    foreach ($files as $file)
                    {
                        $file = realpath($file);

                        if (is_dir($file) === true)
                        {
                            $zip->addEmptyDir(str_replace($source . '/', '', $file . '/'));
                        }

                        else if (is_file($file) === true)
                        {
                            $zip->addFromString(str_replace($source . '/', '', $file), file_get_contents($file));
                        }
                    }
                }

                else if (is_file($source) === true)
                {
                    $zip->addFromString(basename($source), file_get_contents($source));
                }
            }

            return $zip->close();
        }
    }

    return false;
}

您甚至可以随后将其解压缩并存档相同的效果，尽管我必须说我更喜欢将备份压缩为zip文件格式.

You can even unzip it afterwards and archive the same effect, although I must say I prefer having my backups compressed in zip file format.

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