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Imageelmofromok wrote in Imagephp 😡frustrated

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sorting filenames


I am trying to build a thumbnail list by listing the images in a folder, and sorting them by the date, which is included in the file name. So for example, if the folder contains these files:
20050108_image1.jpg
20050108_image2.jpg
20050108_image3.jpg

20050110_image1.jpg
20050110_image2.jpg

20050124_image1.jpg
20050124_image2.jpg


I would like to get a result similar to this:

01-08-2005
Other Dates: [ 01-10-2005 ] [ 01-24-2005 ]

image1  image2  image3

If you click on the other dates, it would, of course, show the images with those dates.

I have tried a couple of things, including putting the images into an array, but cannot figure out how to sort the array by the date. Seems like it should be simple but I am stuck.

Right now I am reading the directory and putting each image with an image extension into an array. I am trying to use the date as the key but not having any success.

while (($file = readdir($dh)) !== false) {
    if ((!($file==".")) AND (!($file==".."))){
      $ifdir=filetype($ImageDir.$file);
      if (!($ifdir=="dir")){
       $extension = substr(strrchr($file, "."), 1);
       
       
       if (($extension == "jpg") OR ($extension=="gif") OR ($extension=="png") OR ($extension=="jpeg")){
        $date = substr($file,'0','8');
        
        $listFile[$date][]=$file;
                       
       }
      }
    }
   }
   // show files
         if(count($listFile) > 0){
             sort($listFile);
              $body.='<pre>'.print_r($listFile).'</pre>' ;   
         }   


Which gives me this:

Array
(
    [0] => Array
        (
            [0] => 20050108_image1.jpg
            [1] => 20050108_image2.jpg
            [2] => 20050108_image3.jpg
        )

    [1] => Array
        (
            [0] => 20050124_image1.jpg

            [1] => 20050124_image2.jpg
        )

    [2] => Array
        (
            [0] => 20050110_image1.jpg
            [1] => 20050110_image2.jpg
         )
)

I expected the array to have the date as the KEY.  Like so:

Array
(
    [20050108] => Array
        (
            [0] => 20050108_image1.jpg
            [1] => 20050108_image2.jpg
            [2] => 20050108_image3.jpg
        )

    [20050124] => Array
        (
            [0] => 20050124_image1.jpg
            [1] => 20050124_image2.jpg
        )

    [20050110] => Array
        (
            [0] => 20050110_image1.jpg
            [1] => 20050110_image2.jpg
         )
)


What am I doing wrong here?

Is there a better way to achieve what I am trying to achieve?


[EDIT: Problem solved. Thanks everyone!]

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