<?php /* By Matt Mullenweg > http://photomatt.net Inspired by Dan Benjamin > http://hiveware.com/imagerotator.php Latest version always at: http://photomatt.net/scripts/randomimage */// Make this the relative path to the images, like "../img" or "random/images/". // If the images are in the same directory, leave it blank. $folder = 'signage80/'; // Space seperated list of extensions, you probably won't have to change this. $exts = 'png'; $files = array(); $i = -1; // Initialize some variables if ('' == $folder) $folder = './'; $handle = opendir($folder); $exts = explode(' ', $exts); while (false !== ($file = readdir($handle))) { foreach($exts as $ext) { // for each extension check the extension if (preg_match('/\.'.$ext.'$/i', $file, $test)) { // faster than ereg, case insensitive $files[] = $file; // it's good ++$i; } } } closedir($handle); // We're not using it anymore mt_srand((double)microtime()*1000000); // seed for PHP < 4.2 $rand = mt_rand(0, $i); // $i was incremented as we went along header('Location: '.$folder.$files[$rand]); // Voila!?>