PHP - create dynamic multidimensional file tree array - php

Question

I want to create a file tree, and for this purpose I need to convert an array of files and directories to a multidimensional file tree array. For example:
array
(
'file.txt',
'dir1/',
'dir1/dir2/',
'dir1/dir2/dir3/',
'dir1/file.txt',
)
to
array
(
'file.txt',
'dir1' =>
array
(
'dir2' =>
array
(
'dir3' =>
array(),
),
'file.txt',
)
)
I've tried several functions to accomplish this, but non of them worked. The problem I've encountered for example that there is no easy way to convert an array ('test','test','test'),'test' to $array['test']['test']['test'] = 'test'.

Answer 1

Here's a shorter recursive one:
function dir_tree($dir) {
$files = array_map('basename', glob("$dir/*"));
foreach($files as $file) {
if(is_dir("$dir/$file")) {
$return[$file] = dir_tree("$dir/$file");
} else {
$return[] = $file;
}
}
return $return;
}

Answer 2

Take a look to my post here.
The answer is: strtok will save you.
<?php
$input = [
'/RootFolder/Folder1/File1.doc',
'/RootFolder/Folder1/SubFolder1/File1.txt',
'/RootFolder/Folder1/SubFolder1/File2.txt',
'/RootFolder/Folder2/SubFolder1/File2.txt',
'/RootFolder/Folder2/SubFolder1/SubSubFolder1/File4.doc',
];
function parseInput($input) {
$result = array();
foreach ($input AS $path) {
$prev = &$result;
$s = strtok($path, '/');
while (($next = strtok('/')) !== false) {
if (!isset($prev[$s])) {
$prev[$s] = array();
}
$prev = &$prev[$s];
$s = $next;
}
$prev[] = $s;
unset($prev);
}
return $result;
}
var_dump(parseInput($input));
Output :
array(1) {
["RootFolder"]=>
array(2) {
["Folder1"]=>
array(2) {
[0]=>
string(9) "File1.doc"
["SubFolder1"]=>
array(2) {
[0]=>
string(9) "File1.txt"
[1]=>
string(9) "File2.txt"
}
}
["Folder2"]=>
array(1) {
["SubFolder1"]=>
array(2) {
[0]=>
string(9) "File2.txt"
["SubSubFolder1"]=>
array(1) {
[0]=>
string(9) "File4.doc"
}
}
}
}
}

Answer 3

I have PHP snippet for that:
<?php
function wps_glob($dir) {
foreach (glob($dir . '/*') as $f) {
if(is_dir($f)) {
$r[] = array(basename($f) => wps_glob($f));
}
else {
$r[] = basename($f);
}
}
return $r;
}
function wps_files($path) {
$wpsdir = Array(
'root' => $path,
'struktur' => wps_glob($path)
);
return $wpsdir;
}
?>
example usage here