<?php
// simple juste use FilesystemIterator
// and you can skip dot and duble dot
// and use it in array
// new FilesystemIterator( PATH , OPTIONS ) : array
$array_file_list = new FilesystemIterator( PATH_ROOT . 'folder/', FilesystemIterator::SKIP_DOTS );
?>
dir
(PHP 4, PHP 5, PHP 7, PHP 8)
dir — Return an instance of the Directory class
Descrizione
A pseudo-object-oriented mechanism for reading a directory. The
given directory is opened.
Elenco dei parametri
-
directory -
Directory to open
-
context -
Nota: Il supporto per il contesto è stato aggiunto in PHP 5.0.0. Per la descrizione del
contesto, fare riferimento a Stream Funzioni.
Valori restituiti
Returns an instance of Directory, or false in case of error.
Log delle modifiche
| Versione | Descrizione |
|---|---|
| 8.0.0 |
context is now nullable.
|
Esempi
Example #1 dir() example
Please note the fashion in which Directory::read()'s
return value is checked in the example below. We are explicitly
testing whether the return value is identical to (equal to and of
the same type as - see
Comparison Operators for more information) false since
otherwise, any directory entry whose name evaluates to false will
stop the loop.
<?php
$d = dir("/etc/php5");
echo "Handle: " . $d->handle . "\n";
echo "Path: " . $d->path . "\n";
while (false !== ($entry = $d->read())) {
echo $entry."\n";
}
$d->close();
?>Il precedente esempio visualizzerà qualcosa simile a:
Handle: Resource id #2 Path: /etc/php5 . .. apache cgi cli
Note
Nota:
The order in which directory entries are returned by the read method is system-dependent.
add a note
User Contributed Notes 20 notes
synnus at gmail dot com ¶
3 years ago
manuel at buschmanuel dot de ¶
16 years ago
Here my solution how to do effective recursiv directory listing.
Have fun.
<?php
/**
* example of use:
*/
$d = new RecDir("/etc/",false);
echo "Path: " . $d->getRootPath() . "\n";
while (false !== ($entry = $d->read())) {
echo $entry."\n";
}
$d->close();
class RecDir
{
protected $currentPath;
protected $slash;
protected $rootPath;
protected $recursiveTree;
function __construct($rootPath,$win=false)
{
switch($win)
{
case true:
$this->slash = '\\';
break;
default:
$this->slash = '/';
}
$this->rootPath = $rootPath;
$this->currentPath = $rootPath;
$this->recursiveTree = array(dir($this->rootPath));
$this->rewind();
}
function __destruct()
{
$this->close();
}
public function close()
{
while(true === ($d = array_pop($this->recursiveTree)))
{
$d->close();
}
}
public function closeChildren()
{
while(count($this->recursiveTree)>1 && false !== ($d = array_pop($this->recursiveTree)))
{
$d->close();
return true;
}
return false;
}
public function getRootPath()
{
if(isset($this->rootPath))
{
return $this->rootPath;
}
return false;
}
public function getCurrentPath()
{
if(isset($this->currentPath))
{
return $this->currentPath;
}
return false;
}
public function read()
{
while(count($this->recursiveTree)>0)
{
$d = end($this->recursiveTree);
if((false !== ($entry = $d->read())))
{
if($entry!='.' && $entry!='..')
{
$path = $d->path.$entry;
if(is_file($path))
{
return $path;
}
elseif(is_dir($path.$this->slash))
{
$this->currentPath = $path.$this->slash;
if($child = @dir($path.$this->slash))
{
$this->recursiveTree[] = $child;
}
}
}
}
else
{
array_pop($this->recursiveTree)->close();
}
}
return false;
}
public function rewind()
{
$this->closeChildren();
$this->rewindCurrent();
}
public function rewindCurrent()
{
return end($this->recursiveTree)->rewind();
}
}
?>
fordiman at gmail dot com ¶
18 years ago
This one's pretty nice. After getting frustrated for hunting down .jpg files in my massive music collection (PHP would run out of memory), I thought there should be a preg_ls function.
function preg_ls ($path=".", $rec=false, $pat="/.*/") {
// it's going to be used repeatedly, ensure we compile it for speed.
$pat=preg_replace("|(/.*/[^S]*)|s", "\\1S", $pat);
//Remove trailing slashes from path
while (substr($path,-1,1)=="/") $path=substr($path,0,-1);
//also, make sure that $path is a directory and repair any screwups
if (!is_dir($path)) $path=dirname($path);
//assert either truth or falsehoold of $rec, allow no scalars to mean truth
if ($rec!==true) $rec=false;
//get a directory handle
$d=dir($path);
//initialise the output array
$ret=Array();
//loop, reading until there's no more to read
while (false!==($e=$d->read())) {
//Ignore parent- and self-links
if (($e==".")||($e=="..")) continue;
//If we're working recursively and it's a directory, grab and merge
if ($rec && is_dir($path."/".$e)) {
$ret=array_merge($ret,preg_ls($path."/".$e,$rec,$pat));
continue;
}
//If it don't match, exclude it
if (!preg_match($pat,$e)) continue;
//In all other cases, add it to the output array
$ret[]=$path."/".$e;
}
//finally, return the array
return $ret;
}
Not bad for a mere 18 lines, don't you think?
Example use:
foreach (preg_ls("/etc/X11", true, "/.*\.conf/i") as $file) echo $file."\n";
Output:
/etc/X11/xkb/README.config
/etc/X11/xorg.conf-vesa
/etc/X11/xorg.conf~
/etc/X11/gui.conf
/etc/X11/xorg.conf
/etc/X11/xorg.conf-fbdev
synnus at gmail dot com ¶
8 years ago
<?php
// best small recurcive dir()
// $entry[0]!='.' <=== specifically to protect FTP files with a dot '.' as first carractère
// return :
// download\file\text\test.txt;
// download\video\anime\test.mp4;
// download\video\film\test2.mkv;
echo rdir('download'); // start dir in \\download
function rdir($path='',$k='') {
$d = dir($path);
while (false !== ($entry = $d->read())) {
if($entry[0]!='.') {
if(is_dir($path . '\\' . $entry)) {
$k = rdir($k,$path . '\\' . $entry);
}
else {
$k .= $path . '\\' . $entry . "; \n" ;
}
}
}
$d->close();
return $k;
}
?>
samuel dot l at mushicrew dot com ¶
18 years ago
Note that the dir object will use the default encoding for non-unicode programs on Windows with PHP 5.x.
So, if you have a file named with characters unsupported by the current default encoding, the dir->read() method will return a wrong entry.
<?php
/*
** This script is on the same directory than a file named with
** unsupported characters for the current default encoding.
*/
$d = dir("./");
while(false !== ($e = $d->read()))
echo $e . '<br/>';
?>
This will print a "?" for every unsupported characters, and not the right file name. So take care if you check with is_file/is_dir right after enumerating.
Anonymous ¶
18 years ago
Regarding samuel's comment about the dir() function not supporting Unicode properly, it's all in the encoding. The function does NOT internally change Unicode characters into question marks (?), as I was first led to believe. If you simply try to output them in UTF-8, they'll show up just right.
GUILLE@GARGANO ¶
13 years ago
to get a dir of http://www.example.com/directory
<?php
function remotedir($dir)
{
$dir = str_replace(" ", "%20", html_entity_decode($dir));
if (($rh = fopen($dir, 'rb')) === FALSE) { return false; }
$i = 0;
while (!feof($rh)) {
$archivos = fgetss($rh);
$directorio[$i++] = trim( substr($archivos,1,strpos($archivos," ",1)) );
}
fclose($rh);
return $directorio;
}
?>
synnus at gmail dot com ¶
6 years ago
<?php
// use $entry[0] != '.' to detect if it's '..' or '.'
$d = dir('.');
echo "Pointeur : " . $d->handle . "<br/>\n";
echo "Chemin : " . $d->path . "<br/>\n";
while (false !== ($entry = $d->read())) {
if( $entry[0] != '.' ) {
echo . "<br/>\n";
}
}
$d->close()
?>
synnus at gmail dot com ¶
2 years ago
<?php
/*
New recursive PHP8
gen array path with FilesystemIterator
*/
$recurcive_path = [];
rdir(path, $recurcive_path);
var_dump($recurcive_path);
function rdir(string $path, array &$recurcive_path): string
{
if ($path != '') {
$recurcive_path[] = $path;
$array_list = iterator_to_array(new FilesystemIterator($path, FilesystemIterator::SKIP_DOTS));
foreach ($array_list as $name) {
$pathname = $name->getpathname();
if(is_dir($pathname) && $name->getfilename()[0] != '.'){
$path = rdir($pathname,$recurcive_path);
}
}
return $path;
}
return '';
}
?>
Alex A. ¶
13 years ago
<?PHP
/*Simple, good looking recursive function for printing directories.
Just copy/paste and it is ready to go!*/
function printCurrentDirRecursively($originDirectory, $printDistance=0){
// just a little html-styling
if($printDistance==0)echo '<div style="color:#35a; font-family:Verdana; font-size:11px;">';
$leftWhiteSpace = "";
for ($i=0; $i < $printDistance; $i++) $leftWhiteSpace = $leftWhiteSpace." ";
$CurrentWorkingDirectory = dir($originDirectory);
while($entry=$CurrentWorkingDirectory->read()){
if($entry != "." && $entry != ".."){
if(is_dir($originDirectory."\\".$entry)){
echo $leftWhiteSpace."<b>".$entry."</b><br>\n";
printCurrentDirRecursively($originDirectory."\\".$entry, $printDistance+2);
}
else{
echo $leftWhiteSpace.$entry."<br>\n";
}
}
}
$CurrentWorkingDirectory->close();
if($printDistance==0)echo "</div>";
}
//TEST IT!
printCurrentDirRecursively(getcwd());
?>
cf at chronofish dot com ¶
17 years ago
The dir Class, from what I can tell, on a Windows box is not a live image of the directory. When the class is instantiated it takes a snapshot of the directory and then the iterator works off that.
I may be wrong, but when I run two processes that look to see if a directory exists, and then deletes the dir when some processing takes place. Deletes from one process do not effect the iteration of the second.
To get around this I check that the file exists before doing my processing:
$d = dir($dataDir);
while (false !== ($entry = $d->read()))
if ($entry != '..' && $entry != '.' && file_exists("$dataDir\\$entry"))
{
// do stuff
}
$d->close();
I run this as a batch process and can activate it multiple times to process the directory listing in parallel.
-CF
Anton Backer ¶
18 years ago
i've modified the script below to get the leaf folders of any directory (folders with no subfolders).
note: this does not return the folder passed in as a parameter, even if it has no subfolders.
<?php
function get_leaf_dirs($dir) {
$array = array();
$d = dir($dir);
while (false !== ($entry = $d->read())) {
if($entry!='.' && $entry!='..') {
$entry = $dir.'/'.$entry;
if(is_dir($entry)) {
$subdirs = get_leaf_dirs($entry);
if ($subdirs)
$array = array_merge($array, $subdirs);
else
$array[] = $entry;
}
}
}
$d->close();
return $array;
}
?>
thomas at hawkes dot ca ¶
17 years ago
With SPL, you could recursively list all of the folders inside the current directory like this:
<?php
$it = new RecursiveDirectoryIterator('./');
// RecursiveIteratorIterator accepts the following modes:
// LEAVES_ONLY = 0 (default)
// SELF_FIRST = 1
// CHILD_FIRST = 2
foreach (new RecursiveIteratorIterator($it, 2) as $path) {
if ($path->isDir()) {
echo "$path\n";
}
}
?>
alex at snet-group dot org ¶
18 years ago
IMHO, thats take most effect with smaller number of errors;)
function get_leaf_dirs($dir)
{
$array = array();
$d = @dir($dir);
if($d)
{
while (false !== ($entry = $d->read()))
{
if($entry!='.' && $entry!='..')
{
$entry = $dir.'/'.$entry;
if(is_dir($entry))
{
$subdirs = get_leaf_dirs($entry);
if ($subdirs)
$array = array_merge($array, $subdirs);
else
$array[] = $entry;
}
}
}
$d->close();
}
return $array;
}
done_to_death at example dot com ¶
18 years ago
function directoryList($start,$win32=false){
if($win32){
$slash="\\";
}else{
$slash="/";
}
$basename = pathinfo($start);
$basename = $basename['basename'];
$ls=array();
$dir = dir($start);
while($item = $dir->read()){
if(is_dir($start.$slash.$item)&& $item!="." && $item!=".."){
$ls[$basename][]=directoryList($start.$slash.$item,$win32);
}else{
if($item!="."&&$item!=".."){
$ls[$basename][]=$item;
}
}
}
return $ls;
}
$path = pathinfo(__FILE__);
$ls = directoryList($path['dirname'], true);
emanueledelgrande at email dot it ¶
15 years ago
When creating custom solutions, use predefined PHP constants to shorten your code and improve performances:
http://www.php.net/manual/en/reserved.constants.php
For example, DIRECTORY_SEPARATOR may replace a function in which you check PHP_OS to set if the directory separator is "/" or "\\".
Cheers.
http://www.rooftopsolutions.nl ¶
17 years ago
<?php
$i = new RecursiveIteratorIterator(new RecursiveDirectoryIterator('.'));
?>
works for me..
sojka at online-forum dot net ¶
16 years ago
That's the way, I'm storing recursive dirs to an array.
<?php
public static function getTreeFolders($sRootPath = UPLOAD_PATH_PROJECT, $iDepth = 0) {
$iDepth++;
$aDirs = array();
$oDir = dir($sRootPath);
while(($sDir = $oDir->read()) !== false) {
if($sDir != '.' && $sDir != '..' && is_dir($sRootPath.$sDir)) {
$aDirs[$iDepth]['sName'][] = $sDir;
$aDirs[$iDepth]['aSub'][] = self::getTreeFolders($sRootPath.$sDir.'/',$iDepth);
}
}
$oDir->close();
return empty($aDirs) ? false : $aDirs;
}
?>
fordiman at gmail dot com ¶
18 years ago
Saw the leaf dirs bit... quick mod:
function preg_ls ($path=".", $rec=false, $pat="/.*/") {
$pat=preg_replace ("|(/.*/[^S]*)|s", "\\1S", $pat);
while (substr ($path,-1,1) =="/") $path=substr ($path,0,-1);
if (!is_dir ($path) ) $path=dirname ($path);
if ($rec!==true) $rec=false;
$d=dir ($path);
$ret=Array ();
while (false!== ($e=$d->read () ) ) {
if ( ($e==".") || ($e=="..") ) continue;
if ($rec && is_dir ($path."/".$e) ) {
$ret=array_merge ($ret,preg_ls($path."/".$e,$rec,$pat));
continue;
}
if (!preg_match ($pat,$e) ) continue;
$ret[]=$path."/".$e;
}
return (empty ($ret) && preg_match ($pat,basename($path))) ? Array ($path."/") : $ret;
}
example:
foreach (preg_ls ("/usr/share/fluxbox", true, "/[LT]e[sa]/i") as $file) echo $file."\n";
output:
/usr/share/fluxbox/styles/Leaf/
/usr/share/fluxbox/styles/Clean
/usr/share/fluxbox/styles/Testing/
radar at frozenplague dot net ¶
18 years ago
Regarding jaqb's post about a correction to the read_dir function, I have one small fix too if people wish to also list the directories inside this directory and read them into the same array.
<?
function read_dir($dir) {
$array = array();
$d = dir($dir);
while (false !== ($entry = $d->read())) {
if($entry!='.' && $entry!='..') {
$entry = $dir.'/'.$entry;
if(is_dir($entry)) {
$array[] = $entry;
$array = array_merge($array, read_dir($entry));
} else {
$array[] = $entry;
}
}
}
$d->close();
return $array;
}
?>
