Miscellany

<?php 
$dirs = scandir("./files");
echo "<pre">
print_r($dirs);
echo "</pre><br />";

foreach ($dirs as $name) {
	echo "$name: "; var_dump(is_dir($name));
}
?>

//Output
Array
(
    [0] => .
    [1] => ..
    [2] => blue // this is a dir
    [3] => green //also a dir
    [4] => png.png
    [5] => red //also a dir
)

.: bool(true)
..: bool(true)
blue: bool(false)
green: bool(false)
png.png: bool(false)
red: bool(false)