vb.org Archive - Counting .jpg images

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- - Counting .jpg images (https://vborg.vbsupport.ru/showthread.php?t=63855)

Owen	04-14-2004 12:29 PM

Counting .jpg images

I have a wallpapers directory with a lot of subdirectories like this:

wallpapers/category/item/file.jpg

for every jpg there is also a thumnail, so I'd like to divide the total number of jpg's by 2 so I get my wallpaper count.

I have had a looka t some functions at php.net but wasnt able to figure it out...

Xenon

04-14-2004 07:51 PM

on php5 this might help:
http://de2.php.net/manual/de/function.scandir.php

on php4 you can use the dir class:
http://www.php.net/manual/class.dir.php

Owen	04-15-2004 11:08 AM

Would I somehow use the count function to count the files that class dir outputs?

Xenon

04-15-2004 12:24 PM

should be possible, but i don't know if you have to create a new dir class for each subdirectory or not.

I haven't worked much with this class, it just know it's name an thought it may help ya :)

Owen	04-15-2004 12:36 PM

PHP Code:


		
			
<?

function CheckExt($filename, $ext) {

$passed = FALSE;

$testExt = "\.".$ext."$";

if (eregi($testExt, $filename)) {

$passed = TRUE;

}

return $passed;

}



//Define an array of common extensions.

$exts = array("gif","jpg$|\\.jpeg","png","bmp");



$dir = opendir("/home/cardesk/public_html/wallpapers/");

$files = readdir($dir);



while (false !== ($files = readdir($dir))) {

foreach ($exts as $value) {

if (CheckExt($files, $value)) {



$count++; //Keep track of the total number of files.

break; //No need to keep looping if we've got a match.

}

}



}

echo $count." image(s) found in this directory.\n";



closedir($dir);



?>

Now I have this, doesnt seem to look for subdirectories though, how do I make it do so?

Xenon

04-15-2004 12:37 PM

you have to write it recursively.

so wheneve the pointer shows to a directory instead of a file, then call the function using that subdirectory

Owen	04-15-2004 12:39 PM

Problem being, I have no idea how to do that.

Owen	04-16-2004 03:31 PM

Could someone please help me make this recursive?

NTLDR

04-17-2004 04:49 PM

Here is some pseudo code on how to do it:

PHP Code:


		
			
function print_image_list($startdir)

{

    // read directory contents

    if (file is an image file)

    {

        // print it out or do what you want with the name

    }

    elseif (is directory other than . or ..)

    {

        print_image_list($this_directory);

    }

}

Thats a basic 'shell' of how to do it.

Owen	04-17-2004 06:50 PM

I have seen code that lists things recursively, I am just not good enough at php to make an image counter with such a code.

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