Posted by Kailash Nadh on 11/27/07 21:51

On Nov 27, 9:45 pm, frizzle <phpfriz...@gmail.com> wrote:
> On Nov 27, 10:16 pm, Kailash Nadh <kailash.n...@gmail.com> wrote:
>
>
>
> > On Nov 27, 7:25 pm, frizzle <phpfriz...@gmail.com> wrote:
>
> > > Hi there,
>
> > > I have a function to create an array of all files in a certain folder,
> > > so i can display the structure.
> > > The actual function is below the message, as is an example of its
> > > output.
>
> > > As one can see, the filesize is also stored in the array (more info
> > > will be added, like filemtime),
> > > what i need is to sum all bytes per folder.
>
> > > So if i have e.g.
>
> > > - folder_1_level1 -> size file 1 / 96
> > > * file_1
> > > * file_2
>
> > > - folder_1_level2 -> size file 3, 4, 7, 8, 9
> > > * file_3
> > > * file_4
> > > - folder_1_level3 -> size file 7, 8, 9
> > > * file_7
> > > * file_8
> > > * file_9
>
> > > - folder_2_level2 -> size file 5, 6
> > > * file_5
> > > * file_6
>
> > > The latter should give me the sum of all filesizes in there,
> > > folder_level2 should give me folder_level3's size PLUS other files/
> > > folders that are in folder_level2, and then, folder_level1 should have
> > > the size of all files in there down the entire tree.
>
> > > I hope it's clear and that someone can help me.
>
> > > Cheers.
>
> > > *** FUNCTION CODE ***
>
> > > function mapit( $dir = '.', $loop = 0, $parent = false ){
> > > $handle = @opendir( $dir );
> > > while( ( $file=readdir( $handle ) ) !== false ){
> > > if( $file != '.' && $file != '..' ){
> > > $point = $dir."/".$file;
> > > $fileSize = filesize( $dir.'/'.$file );
> > > if( is_dir( $point ) )
> > > $info['dirs'][$file] = mapit( $point , $loop+1, $file );
> > > else
> > > $info['files'][$file] = $parent.' -> '.$fileSize;
> > > }
> > > }
> > > return $info;
>
> > > }
>
> > > $structure = mapit();
> > > print_r( $structure );
>
> > > *** /FUNCTION CODE ***
>
> > > *** RESULT EXAMPLE ***
>
> > > Array
> > > (
> > > [dirs] => Array
> > > (
> > > [upload] => Array
> > > (
> > > [files] => Array
> > > (
> > > [index.htm] => upload -> 1391
> > > [index.php] => upload -> 23
> > > [upload.php] => upload -> 7733
> > > )
>
> > > [dirs] => Array
> > > (
> > > [img] => Array
> > > (
> > > [files] => Array
> > > (
> > > [0.jpg] => img -> 36866
> > > [12.jpg] => img -> 218
> > > [13.jpg] => img -> 36866
> > > )
> > > )
> > > )
> > > )
>
> > > [files] => Array
> > > (
> > > [dirs] => Array
> > > (
> > > [just-a-dir] =>
> > > [images] => Array
> > > (
> > > [files] => Array
> > > (
> > > [lion.jpg] => flip ->
> > > 350398
> > > )
> > > )
> > > )
> > > [files] => Array
> > > (
> > > [logo.pdf] => files -> 157764
> > > [tiger.jpg] => files -> 350398
> > > )
> > > )
> > > )
>
> > > [files] => Array
> > > (
> > > [ftp.php] => -> 10238
> > > [cats.php] => -> 8237
> > > )
> > > )
>
> > > *** /RESULT EXAMPLE ***
>
> > This should work. This function recursively goes through a given array
> > and adds up the sizes.
> > Note that I had to use regex to get the numerical size as you have
> > this string, '->' , in there.
>
> > function getSize($map) {
> > $size = 0;
> > foreach($map as $m) {
> > if(!is_array($m)) {
> > preg_match("/[0-9]{1,20}/", $m, $p); // regex to get the size
> > $size += $p[0];
> > } else {
> > $size += getsize($m);
> > }
> > }
> > return $size;
>
> > }
>
> > $structure = mapit();
> > echo getsize($structure['dirs']['upload']);
>
> > --
> > Kailash Nadh |http://kailashnadh.name
>
> Thank you very much for your quick help!

np ;)

> Not to be a nag though, but if i store other numerical values in the
> array (like filemtime), wouldn't they be counted as well?
>
> Would it be better to give each file a ['size'] key? In the best case,
> i thought, it would be best to somehow perform the count at the same
> time as doing the first loop, so you wouldn't have to run unnecessary
> loop, or am i wrong?
>
> Thanks a lot again though!!
>
> (The '->' part doesn't have to be there, it was merely a visual
> "guide" for me ...)

Yes, extra keys would cause the function not to work.
Like you said, a 'size' key would get rid of all the confusion. If you
get it there, simply get rid of the regex line and add the value of
the 'size' key to $size.

--
Kailash Nadh | http://kailashnadh.name

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