获取文件夹中最近更新的文件的filemtime [英] Get filemtime for most recently updated file in folder

问题描述

我有一个包含4个文件的文件夹，我想提取最近一个的上次修改时间(可能并不总是相同的).有什么好办法吗?

I have a folder with 4 files in it and I'd like to pull the last modified time of the most recent one (which may not always be the same one). Is there a good way to do that?

推荐答案

使用 DirectoryIterator 查找文件，然后简单地比较它们的修改时间.应该这样做:

Use a DirectoryIterator to find the files and then simply compare their modified times. This oughta do it:

$iterator = new DirectoryIterator('path/to/dir');

$mtime = -1;
$file;
foreach ($iterator as $fileinfo) {
    if ($fileinfo->isFile()) {
        if ($fileinfo->getMTime() > $mtime) {
            $file = $fileinfo->getFilename();
            $mtime = $fileinfo->getMTime();
        }
    }
}

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