php教程

rmdir

(PHP 4, PHP 5, PHP 7)

rmdir — 删除目录

说明

rmdir ( string $dirname [, resource $context ] ) : bool

尝试删除 dirname 所指定的目录。 该目录必须是空的，而且要有相应的权限。 失败时会产生一个 E_WARNING 级别的错误。

参数

dirname

目录的路径。

context

Note: 在 PHP 5.0.0 中增加了对上下文（Context）的支持。有关上下文（Context）的说明参见 Streams。

返回值

成功时返回 TRUE， 或者在失败时返回 FALSE。

更新日志

版本 说明
5.0.0 自 PHP 5.0.0 起 rmdir() 也可用于某些 URL 封装协议。参见支持的协议和封装协议 的列表看看 rmdir() 支持哪些 URL 封装协议。

范例

Example #1 rmdir() 例子

<?php
if (!is_dir('examples')) {
    mkdir('examples');
}

rmdir('examples');
?>

注释

Note: 当启用 安全模式时， PHP 会在执行脚本时检查被脚本操作的目录是否与被执行的脚本有相同的 UID（所有者）。

参见

User Contributed Notes

mmakshita2398 at gmail dot com 08-Mar-2019 08:19
it Will Delete All Fildes in folder and that folder too...

echo $path = 'D:\xampp\htdocs\New folder\New folder';

function rmdir_recursive($dir) {
    $it = new RecursiveDirectoryIterator($dir, FilesystemIterator::SKIP_DOTS);
    $it = new RecursiveIteratorIterator($it, RecursiveIteratorIterator::CHILD_FIRST);
    foreach($it as $file) {
        if ($file->isDir()) rmdir($file->getPathname());
        else unlink($file->getPathname());
    }
    rmdir($dir);
}
rmdir_recursive($path);
Anonymous 25-Sep-2016 10:44
itay at itgoldman's function falls into an infinite loop if the $src directory doesn't exist.
Here's a fix - one should do at least a file_exists() check before the loop:

function rrmdir($src) {
    if (file_exists($src)) {
        $dir = opendir($src);
        while (false !== ($file = readdir($dir))) {
            if (($file != '.') && ($file != '..')) {
                $full = $src . '/' . $file;
                if (is_dir($full)) {
                    rrmdir($full);
                } else {
                    unlink($full);
                }
            }
        }
        closedir($dir);
        rmdir($src);
    }
}

Thanks to itay for the original function, though, it was helpful.
YAPs 03-Jul-2016 09:48
This version delete tree

<?PHP

if(!defined('DS'))define("DS",DIRECTORY_SEPARATOR);

function delTree($folder,$del_root=true)
{
    $folder=trim($folder,DS).DS;
    $f=glob($folder.'*',GLOB_MARK);
    if(count($f)>0)
        foreach($f as $e)
        {
            if(is_dir($e))
                delTree($e);
            else
                unlink($e);
        }
        if($del_root)
            rmdir($folder);
        if(!file_exists($folder))
            return $folder." is deleted";
        else
            return $folder." not deleted";
}
?>
frederico05 dot figueira at gmail dot com 12-May-2016 02:00
//This is one example to delete full directory with all files inside there

function delDir($path){
        if(is_dir($path) == TRUE){
            $rootFolder = scandir($path);
            if(sizeof($rootFolder) > 2){
                foreach($rootFolder as $folder){
                    if($folder != "." && $folder != ".."){
//Pass the subfolder to function
                        delDir($path."/".$folder);
                    }
                }
//On the end of foreach the directory will be cleaned, and you will can use rmdir, to remove it
                rmdir($path);
            }
        }else{
            if(file_exists($path) == TRUE){
                unlink($path);
            }
        }
    }
dj dot thd at hotmail dot com 11-Feb-2016 09:16
Never ever use jurchiks101 at gmail dot com code!!! It contains command injection vulnerability!!!
If you want to do it that way, use something like this instead:

<?php
if (PHP_OS === 'Windows')
{
    exec(sprintf("rd /s /q %s", escapeshellarg($path)));
}
else
{
    exec(sprintf("rm -rf %s", escapeshellarg($path)));
}
?>

Note the escapeshellarg usage to escape any possible unwanted character, this avoids putting commands in $path variable so the possibility of someone "pwning" the server with this code
itay at itgoldman dot com 26-May-2015 05:07
some implementations of recursive folder delete don't work so well (some give warnings, other don't delete hidden files etc).

this one is working fine:
<?php

function rrmdir($src) {
    $dir = opendir($src);
    while(false !== ( $file = readdir($dir)) ) {
        if (( $file != '.' ) && ( $file != '..' )) {
            $full = $src . '/' . $file;
            if ( is_dir($full) ) {
                rrmdir($full);
            }
            else {
                unlink($full);
            }
        }
    }
    closedir($dir);
    rmdir($src);
}

?>
wolfoneil at gmx.de 26-Jan-2015 08:31
I was working on some Dataoperation, and just wanted to share an OOP method with you.

It just removes any contents of a Directory but not the target Directory itself! Its really nice if you want to clean a BackupDirectory or Log.

Also you can test on it if something went wrong or if it just done its Work!

I have it in a FileHandler class for example, enjoy!

<?php

  public function deleteContent($path){
      try{
        $iterator = new DirectoryIterator($path);
        foreach ( $iterator as $fileinfo ) {
          if($fileinfo->isDot())continue;
          if($fileinfo->isDir()){
            if(deleteContent($fileinfo->getPathname()))
              @rmdir($fileinfo->getPathname());
          }
          if($fileinfo->isFile()){
            @unlink($fileinfo->getPathname());
          }
        }
      } catch ( Exception $e ){
         // write log
         return false;
      }
      return true;
    }

?>
ahmadmarafa at gmail dot com 01-Oct-2014 10:32
function unlinkDir($dir)
{
    $dirs = array($dir);
    $files = array() ;
    for($i=0;;$i++)
    {
        if(isset($dirs[$i]))
            $dir =  $dirs[$i];
        else
            break ;
   
        if($openDir = opendir($dir))
        {
            while($readDir = @readdir($openDir))
            {
                if($readDir != "." && $readDir != "..")
                {
                
                    if(is_dir($dir."/".$readDir))
                    {
                        $dirs[] = $dir."/".$readDir ;
                    }
                    else
                    {
                       
                        $files[] = $dir."/".$readDir ;
                    }
                }
            }
       
        }
       
    }
   
   
   
    foreach($files as $file)
    {
        unlink($file) ;
    
    }
    $dirs = array_reverse($dirs) ;
    foreach($dirs as $dir)
    {
        rmdir($dir) ;
    }
   
}
Baraka Mghumba 27-Aug-2014 06:42
Works fine, tested on PHP 5.4(EasyPHP server)
function deletedir($dir)
    {
        if (is_dir($dir))
        {
            $files = scandir($dir);
            foreach ($files as $file)
            {
                if ($file != "." && $file != "..")
                {
                    if (filetype($dir."/".$file) == "dir")
                    {
                        $this->deletedir($dir."/".$file);
                    }
                    else
                    {
                        unlink($dir."/".$file);
                    }
                }
            }
            reset($objects);
            if(rmdir($dir))
            {
                return 'deleted successfully!';
            }
            else
            {
                return 'delete failed!';
            }
        }
        else
        {
            return 'doesn\'t exist or inaccessible!';
        }
    }
Something to note:
You have to take care of file permission if necessary
jurchiks101 at gmail dot com 22-Aug-2014 12:41
This function sorely needs a built-in option to delete the contents of the directory. Or another function that does exactly that - deletes a path (file or folder, doesn't matter).
It is still much simpler to just use something like the following to delete any directory rather than write some 10+ line function that has corner cases that will break it:
<?php
if (PHP_OS === 'Windows')
{
    exec("rd /s /q {$path}");
}
else
{
    exec("rm -rf {$path}");
}
?>
Most webservers are run on 2 or 3 different popular operating systems, so this would easily work for almost all websites.
tuxedobob 21-May-2014 07:13
Keep in mind that if you know what your host OS is, you can always just call the appropriate system call using exec() or the like. For example:

exec('rmdir folder-to-delete /s /q'); //windows
exec('rmdir -rf folder-to-delete'); //OS X/*nix?
lprent at primary dot geek dot nz 21-Jan-2014 10:10
It is rather dangerous to recurse into symbolically linked directories. The delTree should be modified to check for links.

<?php
public static function delTree($dir) {
   $files = array_diff(scandir($dir), array('.','..'));
    foreach ($files as $file) {
      (is_dir("$dir/$file") && !is_link($dir)) ? delTree("$dir/$file") : unlink("$dir/$file");
    }
    return rmdir($dir);
  }
?>
nbari at dalmp dot com 28-Oct-2012 10:36
Glob function doesn't return the hidden files, therefore scandir can be more useful, when trying to delete recursively a tree.

<?php
public static function delTree($dir) {
   $files = array_diff(scandir($dir), array('.','..'));
    foreach ($files as $file) {
      (is_dir("$dir/$file")) ? delTree("$dir/$file") : unlink("$dir/$file");
    }
    return rmdir($dir);
  }
?>
Chris Wren 01-Sep-2012 08:29
I also ran into the permissions issue in Windows when deleting a folder and the solution was to close all editors which had files opened which were located in the folder structure.
longears at BLERG dot gmail dot com 29-Mar-2012 07:10
Concise way to recursively remove a directory:

<?php
# recursively remove a directory
function rrmdir($dir) {
    foreach(glob($dir . '/*') as $file) {
        if(is_dir($file))
            rrmdir($file);
        else
            unlink($file);
    }
    rmdir($dir);
}
?>
thomas 21-Nov-2011 12:44
Function deleteAll given by O S on 18-Jun-2010 11:30 will fail at line

while ($contents = readdir($directoryHandle)) {...

if a folder named 0 (zero) is found during traversing the hierarchy
shane dot ray87 at gmail dot com 08-Aug-2011 01:50
This issue has been driving me nuts for hours.

I am running PHP on IIS, I had the wincache module installed, when running a recursive delete a certain folder would get "stuck" and throw permissions errors.  I was not able to delete them with PHP or in windows itself.  The only way to delete the folder was to wait 5 min and run the script again, or stop the IIS server and the folder would delete on its own.  Disabling the wincachce module resolved the issue.

Hope this helps.
samy dot see at gmail dot com 27-Jun-2011 03:38
if you get this problem Permission denied in windows testing your site maybe this will resolve the problem

<?php
if(file_exists($path.'/Thumbs.db')){
    unlink($path.'/Thumbs.db');
}
?>

and then

<?php rmdir($path); ?>
holger1 at NOSPAMzentralplan dot de 26-Jun-2010 02:00
Another simple way to recursively delete a directory that is not empty:

<?php
 function rrmdir($dir) {
   if (is_dir($dir)) {
     $objects = scandir($dir);
     foreach ($objects as $object) {
       if ($object != "." && $object != "..") {
         if (filetype($dir."/".$object) == "dir") rrmdir($dir."/".$object); else unlink($dir."/".$object);
       }
     }
     reset($objects);
     rmdir($dir);
   }
 }
?>
O S 18-Jun-2010 03:30
This isn't my code, but just thought I would share, since it took me so long to find. This is a function to delete a folder, all sub-folders, and files in one clean move.

Just tell it what directory you want deleted, in relation to the page that this function is executed. Then set $empty = true if you want the folder just emptied, but not deleted. If you set $empty = false, or just simply leave it out, the given directory will be deleted, as well.

<?php
function deleteAll($directory, $empty = false) {
    if(substr($directory,-1) == "/") {
        $directory = substr($directory,0,-1);
    }

    if(!file_exists($directory) || !is_dir($directory)) {
        return false;
    } elseif(!is_readable($directory)) {
        return false;
    } else {
        $directoryHandle = opendir($directory);
       
        while ($contents = readdir($directoryHandle)) {
            if($contents != '.' && $contents != '..') {
                $path = $directory . "/" . $contents;
               
                if(is_dir($path)) {
                    deleteAll($path);
                } else {
                    unlink($path);
                }
            }
        }
       
        closedir($directoryHandle);

        if($empty == false) {
            if(!rmdir($directory)) {
                return false;
            }
        }
       
        return true;
    }
}
?>
info at top-info dot org 28-Apr-2010 04:15
The function delTree is dangerous when you dont take really care. I for example always deleted a temporary directory with it. Everthing went fine until the moment where the var containing this temporary directory wasnt set. The var didnt contain the path but an empty string. The function delTree  was called and deleted all the files at my host!
So dont use this function when you dont have a proper handling coded. Dont think about using this function only for testing without such a handling.
Luckily nothing is lost because I had the local copy...
steffen at wirsching-idstein dot de 16-Jan-2010 05:40
Say, you're working on Windows and continue to get a permission's error without a reason. Then it may be that a different Windows program is working on the folder (see earlier notes also). In the case that you can't find that program, the line

<?php closedir(opendir($dirname)); ?>

may solve the problem!
Make sure to write this before rmdir($dirname);.
omikrosys at gmail dot com 08-Oct-2009 09:52
Sometimes you would face situations in which rmdir($dirname) would give "permission denied" errors though you may have changed $dirname permissions. In such situations just change the permissions of the directory which contains $dirname and rmdir($dirname) would work like a charm.
Say you use rmdir('dirr'); then change the permissions of the folder that contains 'dirr'.
kevin at web-power dot co dot uk 02-Oct-2009 05:51
I had situation where the rmdir was returning warning message as within last loop it was already removed. So here is quick fix by adding is_dir to the DelTree routine below

<?php
function delTree($dir) {
    $files = glob( $dir . '*', GLOB_MARK );
    foreach( $files as $file ){
        if( substr( $file, -1 ) == '/' )
            delTree( $file );
        else
            unlink( $file );
    }
   
    if (is_dir($dir)) rmdir( $dir );
   
}
?>
bcairns at gmail dot com 02-Aug-2009 09:59
I wasn't having much luck with the recursive delete functions below, so I wrote my own:

<?php
// ensure $dir ends with a slash
function delTree($dir) {
    $files = glob( $dir . '*', GLOB_MARK );
    foreach( $files as $file ){
        if( substr( $file, -1 ) == '/' )
            delTree( $file );
        else
            unlink( $file );
    }
    rmdir( $dir );
}
?>

Simple.  Works.
asn at asn24 dot dk 06-Jul-2009 09:08
A patch to previous script to make sure rights for deletion is set:

<?php
//Delete folder function
function deleteDirectory($dir) {
    if (!file_exists($dir)) return true;
    if (!is_dir($dir) || is_link($dir)) return unlink($dir);
        foreach (scandir($dir) as $item) {
            if ($item == '.' || $item == '..') continue;
            if (!deleteDirectory($dir . "/" . $item)) {
                chmod($dir . "/" . $item, 0777);
                if (!deleteDirectory($dir . "/" . $item)) return false;
            };
        }
        return rmdir($dir);
    }
?>

[EDITOR NOTE: "Credits to erkethan at free dot fr." - thiago]
TrashF at taistelumarsu dot org 08-Aug-2008 03:21
In case you're trying to rmdir() and you keep getting 'Permission denied' errors, make sure you don't have the directory still open after using opendir(). Especially when writing recursive functions for deleting directories, make sure you have closedir() BEFORE rmdir().
rn at clubfl dot com 18-Dec-2007 10:16
I've noticed that when using this command on a windows platform you may encounter a permissions error which may seem unwarranted. This commonly occurs if you are or were using a program to edit something in the to be deleted folder and either the item is still in the folder or the program that was accessing the file in that folder is still running(causing it to hold onto the folder).

SO... if you get a permissions error and there shouldn't be an issue with folder permissions check if there are files in there then check if there is a program running that is or was using a file that was in that folder and kill it.

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