PHP wildcard, search for files in directory

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PHP

Hello,

The title explains it pretty much. I've a directory with images stored in it. I use the PHP glob() function. Here'e the code:

$dir = '../images/';
 
foreach(glob($dir. "[". $_GET['ID']. "]". *. '.jpg') as $file) {
    print $file . "\n";
}

I want to be ale to list all the files that begin with a specific character, 2 as example. But, I've to keep it dynamic. I mean I've to keep the $_GET['ID']. And still I want to list all the files that begin with this ID.

How do I do that? Please, rather than referring some to some indirect tutorials, please help me directly.

Appreciated!
Thanks!