Read images from a directory using PHP

Question

I am wanting to find out if the following is possible with PHP inside WordPress.

Basically if I have a directory in my site called \"promos\" that consists of 1 to

Answer 1

Go thou unto http://www.php.net/manual/en/ref.dir.php and look in particular at the scandir function. You can use something like:

$images = array();
foreach (scandir('somewhere') as $filename)
    if (is_an_image($filename)) $images[] = $filename;

You get to write the is_an_image() function.