Question

我有一个文件夹“content”，其中会生成其他文件夹，在这些文件夹中有html页面。现在我如何在每个文件夹中打印最后修改过的html文件？

文件夹ex。

content {
          testfolder1 { file1.html,file2.html ecc..}
          testfolder2 { file3.html,file4.html ecc..}
        }

输出将是：

file4.html was last insert or modfied

谢谢，抱歉我的英语不好:)

P.S。 filemtime（）函数讨厌我：D

这是我想到的代码：

$list = scandir("content");
unset($list[0]);
unset($list[1]);


foreach($list as $v)
{
     for ($i = 0; $i<=$v; $i++)
     {
         $gencat = "content/$v";
         $genlist = scandir($gencat);
         unset($genlist[0]);
         unset($genlist[1]);

         foreach($genlist as $k)
        {
             $filetime = date("Y/M/D h:i" , filemtime($gencat . "/" . $k));
             echo $gencat . "/" . $k . " " . $filetime . "<br/>";
        }
     }
}

Answer 1

好吧，按照以下步骤操作，创建一个函数，通过遍历所有修改后的内容并检查修改时间来返回最后修改的函数。这个想法是：当你开始迭代时，假设第一个文件是最后一个修改过的文件。继续迭代，然后在每次迭代中检查您认为最后一次修改的文件与新文件。如果之前修改了新的，则更改它。最后，你将拥有最后修改过的。

这是我想到的代码：

function lastModifiedInFolder($folderPath) {

    /* First we set up the iterator */
    $iterator = new RecursiveDirectoryIterator($folderPath);
    $directoryIterator = new RecursiveIteratorIterator($iterator);

    /* Sets a var to receive the last modified filename */
    $lastModifiedFile = "";        

    /* Then we walk through all the files inside all folders in the base folder */
    foreach ($directoryIterator as $name => $object) {
        /* In the first iteration, we set the $lastModified */
        if (empty($lastModifiedFile)) {
            $lastModifiedFile = $name;
        }
        else {
            $dateModifiedCandidate = filemtime($lastModifiedFile);
            $dateModifiedCurrent = filemtime($name);

            /* If the file we thought to be the last modified 
               was modified before the current one, then we set it to the current */
            if ($dateModifiedCandidate < $dateModifiedCurrent) {
                $lastModifiedFile = $name;
            }
        }
    }
    /* If the $lastModifiedFile isn't set, there were no files
       we throw an exception */
    if (empty($lastModifiedFile)) {
        throw new Exception("No files in the directory");
    }

    return $lastModifiedFile;
}

Answer 2

$filename = 'somefile.txt';
if (file_exists($filename)) {
    echo "$filename was last modified: "
    . date ("F d Y H:i:s.", filemtime($filename));
}

你可以检查：

http://br1.php.net/manual/en/function.filemtime.php http://br1.php.net/manual/en/directoryiterator.getmtime.php

PHP获取最后修改的文件，多个文件夹和文件

2 个答案: