如何以递归方式删除PHP中的目录及其全部内容(文件+子目录)?

时间:2010-07-26 19:09:51

标签: php recursion delete-directory

如何在PHP中删除目录及其全部内容(文件和子目录)?

21 个答案:

答案 0 :(得分:180)

您是否尝试过rmdir手册页中的第一个注释?

 function rrmdir($dir) { 
   if (is_dir($dir)) { 
     $objects = scandir($dir); 
     foreach ($objects as $object) { 
       if ($object != "." && $object != "..") { 
         if (is_dir($dir."/".$object))
           rrmdir($dir."/".$object);
         else
           unlink($dir."/".$object); 
       } 
     }
     rmdir($dir); 
   } 
 }

答案 1 :(得分:105)

The Pixel Developer's comment上构建,使用SPL的代码段可能如下所示:

$files = new RecursiveIteratorIterator(
    new RecursiveDirectoryIterator($dir, RecursiveDirectoryIterator::SKIP_DOTS),
    RecursiveIteratorIterator::CHILD_FIRST
);

foreach ($files as $fileinfo) {
    $todo = ($fileinfo->isDir() ? 'rmdir' : 'unlink');
    $todo($fileinfo->getRealPath());
}

rmdir($dir);

注意:它执行 no 健全性检查,并使用PHP 5.3.0中的FilesystemIterator引入的SKIP_DOTS标志。当然,$todo可以是if / else。重要的一点是,CHILD_FIRST用于在父(文件夹)之前首先迭代子(文件)。

答案 2 :(得分:15)

删除路径中的所有文件和文件夹。

function recurseRmdir($dir) {
  $files = array_diff(scandir($dir), array('.','..'));
  foreach ($files as $file) {
    (is_dir("$dir/$file")) ? recurseRmdir("$dir/$file") : unlink("$dir/$file");
  }
  return rmdir($dir);
}

答案 3 :(得分:13)

对于* nix,您可以使用shell_exec用于rm -RDEL /S folder_name用于Windows。

答案 4 :(得分:5)

output

答案 5 :(得分:5)

还有另一个帖子,其中包含更多示例: A recursive remove directory function for PHP?

如果您正在使用Yii,那么您可以将其留在框架中:

CFileHelper::removeDirectory($my_directory);

答案 6 :(得分:1)

'简单'代码,有效且可由十岁的人阅读:

function deleteNonEmptyDir($dir) 
{
   if (is_dir($dir)) 
   {
        $objects = scandir($dir);

        foreach ($objects as $object) 
        {
            if ($object != "." && $object != "..") 
            {
                if (filetype($dir . "/" . $object) == "dir")
                {
                    deleteNonEmptyDir($dir . "/" . $object); 
                }
                else
                {
                    unlink($dir . "/" . $object);
                }
            }
        }

        reset($objects);
        rmdir($dir);
    }
}

请注意,我所做的只是扩展/简化和修复(不适用于非空目录)这里的解决方案: In PHP how do I recursively remove all folders that aren't empty?

答案 7 :(得分:1)

增强的@Artefacto解决方案 - 更正了错别字和简化代码,适用于两者 - 空和&&非空目录。

  function recursive_rmdir($dir) { 
    if( is_dir($dir) ) { 
      $objects = array_diff( scandir($dir), array('..', '.') );
      foreach ($objects as $object) { 
        $objectPath = $dir."/".$object;
        if( is_dir($objectPath) )
          recursive_rmdir($objectPath);
        else
          unlink($objectPath); 
      } 
      rmdir($dir); 
    } 
  }

答案 8 :(得分:0)

glob()函数示例。它将递归删除所有文件和文件夹,包括以dot开头的文件。

delete_all( 'folder' );

function delete_all( $item ) {
    if ( is_dir( $item ) ) {
        array_map( 'delete_all', array_diff( glob( "$item/{,.}*", GLOB_BRACE ), array( "$item/.", "$item/.." ) ) );
        rmdir( $item );
    } else {
        unlink( $item );
    }
};

答案 9 :(得分:0)

这样的东西?

function delete_folder($folder) {
    $glob = glob($folder);
    foreach ($glob as $g) {
        if (!is_dir($g)) {
            unlink($g);
        } else {
            delete_folder("$g/*");
            rmdir($g);
        }
    }
}

答案 10 :(得分:0)

unlinkr函数以递归方式删除给定路径中的所有文件夹和文件,确保它不会删除脚本本身。

function unlinkr($dir, $pattern = "*") {
    // find all files and folders matching pattern
    $files = glob($dir . "/$pattern"); 

    //interate thorugh the files and folders
    foreach($files as $file){ 
    //if it is a directory then re-call unlinkr function to delete files inside this directory     
        if (is_dir($file) and !in_array($file, array('..', '.')))  {
            echo "<p>opening directory $file </p>";
            unlinkr($file, $pattern);
            //remove the directory itself
            echo "<p> deleting directory $file </p>";
            rmdir($file);
        } else if(is_file($file) and ($file != __FILE__)) {
            // make sure you don't delete the current script
            echo "<p>deleting file $file </p>";
            unlink($file); 
        }
    }
}

如果要删除放置此脚本的所有文件和文件夹,请按以下方式调用

//get current working directory
$dir = getcwd();
unlinkr($dir);

如果您只想删除php文件,请将其称为

unlinkr($dir, "*.php");

您也可以使用任何其他路径删除文件

unlinkr("/home/user/temp");

这将删除home / user / temp目录中的所有文件。

答案 11 :(得分:0)

完成测试后,只需删除#中的 #unlink #rmdir

<?php 
class RMRFiles {

        function __construct(){
        }

    public function recScan( $mainDir, $allData = array() )
    {

    // hide files
    $hidefiles = array(
    ".",
    "..") ;

    //start reading directory
    $dirContent = scandir( $mainDir ) ;

        //cycle through
        foreach ( $dirContent as $key => $content )
        {
            $path = $mainDir . '/' . $content ;

            // if is readable / file
            if ( ! in_array( $content, $hidefiles ) )
            {
            if ( is_file( $path ) && is_readable( $path ) )
            {
            #delete files within directory
            #unlink($path);
            $allData['unlink'][] = $path ;
            }

            // if is readable / directory
            else
            if ( is_dir( $path ) && is_readable( $path ) )
            {
            /*recursive*/
            $allData = $this->recScan( $path, $allData ) ;

            #finally remove directory
            $allData['rmdir'][]=$path;
            #rmdir($path);
            }
            }
        }

    return $allData ;

    }

}

header("Content-Type: text/plain");

/* Get absolute path of the running script 
Ex : /home/user/public_html/   */
define('ABPATH', dirname(__file__) . '/'); 

/* The folder where we store cache files 
Ex: /home/user/public_html/var/cache   */
define('STOREDIR','var/cache'); 

$rmrf = new RMRFiles();
#here we delete folder content files & directories
print_r($rmrf->recScan(ABPATH.STOREDIR));
#finally delete scanned directory ? 
#rmdir(ABPATH.STOREDIR);

?>

答案 12 :(得分:0)

<?php

/**
 * code by Nk (nk.have.a@gmail.com)
 */

class filesystem
{
    public static function remove($path)
    {
        return is_dir($path) ? rmdir($path) : unlink($path);
    }

    public static function normalizePath($path)
    {
        return $path.(is_dir($path) && !preg_match('@/$@', $path) ? '/' : '');      
    }

    public static function rscandir($dir, $sort = SCANDIR_SORT_ASCENDING)
    {
        $results = array();

        if(!is_dir($dir))
        return $results;

        $dir = self::normalizePath($dir);

        $objects = scandir($dir, $sort);

        foreach($objects as $object)
        if($object != '.' && $object != '..')
        {
            if(is_dir($dir.$object))
            $results = array_merge($results, self::rscandir($dir.$object, $sort));
            else
            array_push($results, $dir.$object);
        }

        array_push($results, $dir);

        return $results;
    }

    public static function rrmdir($dir)
    {
        $files = self::rscandir($dir);

        foreach($files as $file)
        self::remove($file);

        return !file_exists($dir);
    }
}

?>

cleanup.php:

<?php

/* include.. */

filesystem::rrmdir('/var/log');
filesystem::rrmdir('./cache');

?>

答案 13 :(得分:0)

100%工作解决方案

public static function rmdir_recursive($directory, $delete_parent = null)
  {
    $files = glob($directory . '/{,.}[!.,!..]*',GLOB_MARK|GLOB_BRACE);
    foreach ($files as $file) {
      if (is_dir($file)) {
        self::rmdir_recursive($file, 1);
      } else {
        unlink($file);
      }
    }
    if ($delete_parent) {
      rmdir($directory);
    }
  }

答案 14 :(得分:0)

似乎所有其他答案都假定赋予函数的路径始终是目录。此变体可以删除目录以及单个文件:

/**
 * Recursively delete a file or directory.  Use with care!
 *
 * @param string $path
 */
function recursiveRemove($path) {
    if (is_dir($path)) {
        foreach (scandir($path) as $entry) {
            if (!in_array($entry, ['.', '..'])) {
                recursiveRemove($path . DIRECTORY_SEPARATOR . $entry);
            }
        }
        rmdir($path);
    } else {
        unlink($path);
    }
}

答案 15 :(得分:0)

正确使用DirectoryIterator和递归:

function deleteFilesThenSelf($folder) {
    foreach(new DirectoryIterator($folder) as $f) {
        if($f->isDot()) continue; // skip . and ..
        if ($f->isFile()) {
            unlink($f->getPathname());
        } else if($f->isDir()) {
            deleteFilesThenSelf($f->getPathname());
        }
    }
    rmdir($folder);
}

答案 16 :(得分:-1)

我从一些StackOverflow讨论中得到了这个代码。我还没有在Linux环境上测试过。它是为了完全删除文件或目录:

function splRm(SplFileInfo $i)
{
    $path = $i->getRealPath();

    if ($i->isDir()) {
        echo 'D - ' . $path . '<br />';
        rmdir($path);
    } elseif($i->isFile()) {
        echo 'F - ' . $path . '<br />';
        unlink($path);
    }
}

function splRrm(SplFileInfo $j)
{
    $path = $j->getRealPath();

    if ($j->isDir()) {
        $rdi = new RecursiveDirectoryIterator($path, FilesystemIterator::SKIP_DOTS);
        $rii = new RecursiveIteratorIterator($rdi, RecursiveIteratorIterator::CHILD_FIRST);
        foreach ($rii as $i) {
            splRm($i);
        }
    }
    splRm($j);

}

splRrm(new SplFileInfo(__DIR__.'/../dirOrFileName'));

答案 17 :(得分:-1)

function rmdir_recursive( $dirname ) {

    /**
     * FilesystemIterator and SKIP_DOTS
     */

    if ( class_exists( 'FilesystemIterator' ) && defined( 'FilesystemIterator::SKIP_DOTS' ) ) {

        if ( !is_dir( $dirname ) ) {
            return false;
        }

        foreach( new RecursiveIteratorIterator( new RecursiveDirectoryIterator( $dirname, FilesystemIterator::SKIP_DOTS ), RecursiveIteratorIterator::CHILD_FIRST ) as $path ) {
            $path->isDir() ? rmdir( $path->getPathname() ) : unlink( $path->getRealPath() );
        }

        return rmdir( $dirname );

    }

    /**
     * RecursiveDirectoryIterator and SKIP_DOTS
     */

    if ( class_exists( 'RecursiveDirectoryIterator' ) && defined( 'RecursiveDirectoryIterator::SKIP_DOTS' ) ) {

        if ( !is_dir( $dirname ) ) {
            return false;
        }

        foreach( new RecursiveIteratorIterator( new RecursiveDirectoryIterator( $dirname, RecursiveDirectoryIterator::SKIP_DOTS ), RecursiveIteratorIterator::CHILD_FIRST ) as $path ) {
            $path->isDir() ? rmdir( $path->getPathname() ) : unlink( $path->getRealPath() );
        }

        return rmdir( $dirname );

    }

    /**
     * RecursiveIteratorIterator and RecursiveDirectoryIterator
     */

    if ( class_exists( 'RecursiveIteratorIterator' ) && class_exists( 'RecursiveDirectoryIterator' ) ) {

        if ( !is_dir( $dirname ) ) {
            return false;
        }

        foreach( new RecursiveIteratorIterator( new RecursiveDirectoryIterator( $dirname ), RecursiveIteratorIterator::CHILD_FIRST ) as $path ) {
            if ( in_array( $path->getFilename(), array( '.', '..' ) ) ) {
                continue;
            }
            $path->isDir() ? rmdir( $path->getPathname() ) : unlink( $path->getRealPath() );
        }

        return rmdir( $dirname );

    }

    /**
     * Scandir Recursive
     */

    if ( !is_dir( $dirname ) ) {
        return false;
    }

    $objects = scandir( $dirname );

    foreach ( $objects as $object ) {
        if ( $object === '.' || $object === '..' ) {
            continue;
        }
        filetype( $dirname . DIRECTORY_SEPARATOR . $object ) === 'dir' ? rmdir_recursive( $dirname . DIRECTORY_SEPARATOR . $object ) : unlink( $dirname . DIRECTORY_SEPARATOR . $object );
    }

    reset( $objects );
    rmdir( $dirname );

    return !is_dir( $dirname );

}

答案 18 :(得分:-1)

@XzaR解决方案的修改变体。它确实删除了空文件夹,当从中删除所有文件时它会抛出异常,而不是在错误时返回false。

function recursivelyRemoveDirectory($source, $removeOnlyChildren = true)
{
    if (empty($source) || file_exists($source) === false) {
        throw new Exception("File does not exist: '$source'");
    }

    if (is_file($source) || is_link($source)) {
        if (false === unlink($source)) {
            throw new Exception("Cannot delete file '$source'");
        }
    }

    $files = new RecursiveIteratorIterator(
        new RecursiveDirectoryIterator($source, RecursiveDirectoryIterator::SKIP_DOTS),
        RecursiveIteratorIterator::CHILD_FIRST
    );

    foreach ($files as $fileInfo) {
        /** @var SplFileInfo $fileInfo */
        if ($fileInfo->isDir()) {
            if ($this->recursivelyRemoveDirectory($fileInfo->getRealPath()) === false) {
                throw new Exception("Failed to remove directory '{$fileInfo->getRealPath()}'");
            }
            if (false === rmdir($fileInfo->getRealPath())) {
                throw new Exception("Failed to remove empty directory '{$fileInfo->getRealPath()}'");
            }
        } else {
            if (unlink($fileInfo->getRealPath()) === false) {
                throw new Exception("Failed to remove file '{$fileInfo->getRealPath()}'");
            }
        }
    }

    if ($removeOnlyChildren === false) {
        if (false === rmdir($source)) {
            throw new Exception("Cannot remove directory '$source'");
        }
    }
}

答案 19 :(得分:-1)

我使用此代码......

 function rmDirectory($dir) {
        foreach(glob($dir . '/*') as $file) {
            if(is_dir($file))
                rrmdir($file);
            else
                unlink($file);
        }
        rmdir($dir);
    }

或者这个......

<?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); 
  } 
?>

答案 20 :(得分:-1)

function deltree_cat($folder)
{
    if (is_dir($folder))
    {
             $handle = opendir($folder);
             while ($subfile = readdir($handle))
             {
                     if ($subfile == '.' or $subfile == '..') continue;
                     if (is_file($subfile)) unlink("{$folder}/{$subfile}");
                     else deltree_cat("{$folder}/{$subfile}");
             }
             closedir($handle);
             rmdir ($folder);
     }
     else
     {
        unlink($folder);
     }
}