Leggere dir e ordinare per data: come?

[andr3a]

$fileList = glob('immagini/*.*');
array_sort($fileList, 'sortFileByDate');
for($i = 0, $j = count($fileList); $i < $j; $i++)
	echo '<option value="'.htmlspecialchars($fileList[$i]).'">'.htmlspecialchars($fileList[$i]).'</option>';