디렉토리 함수 목록

참고

dirname(), is_dir(), mkdir(), rmdir() 등의 관련 함수는 파일시스템 섹션을 참고하십시오.

Table of Contents

  • chdir — 디렉토리 변경
  • chroot — 루트 디렉토리 변경
  • closedir — 디렉토리 핸들을 닫습니다
  • dir — Return an instance of the Directory class
  • getcwd — 현재 작업 디렉토리를 얻음
  • opendir — 디렉토리 핸들을 엽니다
  • readdir — 디렉토리 핸들에서 엔트리를 읽습니다
  • rewinddir — 디렉토리 핸들을 되감습니다
  • scandir — 지정한 경로 안의 파일과 디렉토리 목록
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User Contributed Notes 7 notes

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2
msh at onliners dot dk
14 years ago
I would like to present these two simple functions for generating a complete directory listing - as I feel the other examples are to restrictive in terms of usage.

function dirTree($dir) {
    $d = dir($dir);
    while (false !== ($entry = $d->read())) {
        if($entry != '.' && $entry != '..' && is_dir($dir.$entry))
            $arDir[$entry] = dirTree($dir.$entry.'/');
    }
    $d->close();
    return $arDir;
}

function printTree($array, $level=0) {
    foreach($array as $key => $value) {
        echo "<div class='dir' style='width: ".($level*20)."px;'>&nbsp;</div>".$key."<br/>\n";
        if(is_array($value))
            printTree($value, $level+1);
    }
}

Usage is as simple as this:
$dir = "<any directory you like>";
$arDirTree = dirTree($dir);
printTree($arDirTree);

It is easy to add files to the tree also - so enjoy.
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0
dkflbk at nm dot ru
13 years ago
I wrote a simple backup script which puts all files in his folder (and all of the sub-folders) in one TAR archive...
(It's classic TAR format not USTAR, so filename and path to it can't be longer then 99 chars)
<?php
/***********************************************************
*   Title:  Classic-TAR based backup script v0.0.1-dev
  **********************************************************/

Class Tar_by_Vladson {
    var
$tar_file;
    var
$fp;
    function
Tar_by_Vladson($tar_file='backup.tar') {
       
$this->tar_file = $tar_file;
       
$this->fp = fopen($this->tar_file, "wb");
       
$tree = $this->build_tree();
       
$this->process_tree($tree);
       
fputs($this->fp, pack("a512", ""));
       
fclose($this->fp);
    }
    function
build_tree($dir='.'){
       
$handle = opendir($dir);
        while(
false !== ($readdir = readdir($handle))){
            if(
$readdir != '.' && $readdir != '..'){
               
$path = $dir.'/'.$readdir;
                if (
is_file($path)) {
                   
$output[] = substr($path, 2, strlen($path));
                } elseif (
is_dir($path)) {
                   
$output[] = substr($path, 2, strlen($path)).'/';
                   
$output = array_merge($output, $this->build_tree($path));
                }
            }
        }
       
closedir($handle);
        return
$output;
    }
    function
process_tree($tree) {
        foreach(
$tree as $pathfile ) {
            if (
substr($pathfile, -1, 1) == '/') {
               
fputs($this->fp, $this->build_header($pathfile));
            } elseif (
$pathfile != $this->tar_file) {
               
$filesize = filesize($pathfile);
               
$block_len = 512*ceil($filesize/512)-$filesize;
               
fputs($this->fp, $this->build_header($pathfile));
               
fputs($this->fp, file_get_contents($pathfile));
               
fputs($this->fp, pack("a".$block_len, ""));
            }
        }
        return
true;
    }
    function
build_header($pathfile) {
        if (
strlen($pathfile) > 99 ) die('Error');
       
$info = stat($pathfile);
        if (
is_dir($pathfile) ) $info[7] = 0;
       
$header = pack("a100a8a8a8a12A12a8a1a100a255",
           
$pathfile,
           
sprintf("%6s ", decoct($info[2])),
           
sprintf("%6s ", decoct($info[4])),
           
sprintf("%6s ", decoct($info[5])),
           
sprintf("%11s ",decoct($info[7])),
           
sprintf("%11s", decoct($info[9])),
           
sprintf("%8s", " "),
            (
is_dir($pathfile) ? "5" : "0"),
           
"",
           
""
           
);
       
clearstatcache();
       
$checksum = 0;
        for (
$i=0; $i<512; $i++) {
           
$checksum += ord(substr($header,$i,1));
        }
       
$checksum_data = pack(
           
"a8", sprintf("%6s ", decoct($checksum))
            );
        for (
$i=0, $j=148; $i<7; $i++, $j++)
           
$header[$j] = $checksum_data[$i];
        return
$header;
    }
}

header('Content-type: text/plain');
$start_time = array_sum(explode(chr(32), microtime()));
$tar = & new Tar_by_Vladson();
$finish_time = array_sum(explode(chr(32), microtime()));
printf("The time taken: %f seconds", ($finish_time - $start_time));
?>
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0
engin bzzzt biz
14 years ago
To join directory and file names in a cross-platform manner you can use the following function.

function join_path()
{
        $num_args = func_num_args();
        $args = func_get_args();
        $path = $args[0];
       
        if( $num_args > 1 )
        {
            for ($i = 1; $i < $num_args; $i++)
            {
                $path .= DIRECTORY_SEPARATOR.$args[$i];
            }
        }
       
        return $path;
}

It should do the following:
$src = join_path( '/foo', 'bar', 'john.jpg' );
echo $src; // On *nix -> /foo/bar/john.jpg

$src = join_path( 'C:\www', 'domain.com', 'foo.jpg' );
echo $src; // On win32 -> C:\\www\\domain.com\\foo.jpg
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-1
Jean-Paul Wattiaux
12 years ago
Mine works as long as the samba volume is actually mounted. Having it listed in the "My Computer" window doesn't warrant that.
up
-2
Nicolas Merlet - admin(at)merletn.org
14 years ago
Here is a very similar function to *scandir*, if you are still using PHP4...

This recursive function will return an indexed array containing all directories or files or both (depending on parameters). You can specify the depth you want, as explained below.

<?php

// $path : path to browse
// $maxdepth : how deep to browse (-1=unlimited)
// $mode : "FULL"|"DIRS"|"FILES"
// $d : must not be defined
 
function searchdir ( $path , $maxdepth = -1 , $mode = "FULL" , $d = 0 )
{
   if (
substr ( $path , strlen ( $path ) - 1 ) != '/' ) { $path .= '/' ; }     
  
$dirlist = array () ;
   if (
$mode != "FILES" ) { $dirlist[] = $path ; }
   if (
$handle = opendir ( $path ) )
   {
       while (
false !== ( $file = readdir ( $handle ) ) )
       {
           if (
$file != '.' && $file != '..' )
           {
              
$file = $path . $file ;
               if ( !
is_dir ( $file ) ) { if ( $mode != "DIRS" ) { $dirlist[] = $file ; } }
               elseif (
$d >=0 && ($d < $maxdepth || $maxdepth < 0) )
               {
                  
$result = searchdir ( $file . '/' , $maxdepth , $mode , $d + 1 ) ;
                  
$dirlist = array_merge ( $dirlist , $result ) ;
               }
       }
       }
      
closedir ( $handle ) ;
   }
   if (
$d == 0 ) { natcasesort ( $dirlist ) ; }
   return (
$dirlist ) ;
}

?>
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-3
adrian
12 years ago
Samba mounts under a Windows environment are not accessible using the mounted drive letter. For instance, if you have drive X: in Windows mounted to //example.local/shared_dir (where example.local is a *nix box running Samba), the following constructs

$dir = "X:\\data\\";
$handle = opendir( $dir );
or
$d = dir( $dir );

will return a warning message "failed to open dir: No error"

On the other hand, using the underlying mapping info works just fine. For example:

$dir = "//example.local/shared_dir/data";
$handle = opendir( $dir );
or
$d = dir( $dir );

Both cases do what they're expected to.
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-7
phdwight at yahoo dot com
13 years ago
I have posted this same observation in scandir, and found out that it is not limited to scandir alone but to ALL directory functions.

Directory functions DOES NOT currently supports Japanese characters.
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