show-images-random-order.php

<?php

/*

 show-images-random-order.php

 Show all images in a directory in a random order

 Example: when you need to show many logo of important institutions & you want to avoid anyone getting upset over the order of the logo is shown. Yup, real story.

 credit : DaveRandom = https://stackoverflow.com/a/12666210/882002
*/

$dir = $_GET['loc'];
$file_display = array ('jpg', 'jpeg', 'png', 'gif');

if (file_exists($dir) == false) {
    echo 'Directory \'', $dir, '\' not found';
} else {
    $dir_contents = scandir($dir);
    shuffle($dir_contents);

    echo '<center>';

    foreach ($dir_contents as $file) {
        $file_type = strtolower(end(explode('.', $file)));


        if ($file !== '.' && $file !== '..' && in_array($file_type, $file_display) == true) {
            echo '  <img style="max-width: 200px; height: auto; border-width: 25px;   border-color: white;   border-style: solid;" class="photo" src="', $dir, '/', $file, '" alt="', $file, '" />   ';
        }
    }
    echo '</center>';


}

?>