function showpath($path, $depth = 0, $foldernum = 0)
{
$arr = scandir($path);
foreach ($arr as $key => $value) {
if (substr($value, 0, 1) != ".") {
if (is_dir($path . '/' . $value) == true) {
for ($i = 0; $i < $depth; $i++) {
echo " ";
}
echo "<b>" . $value . "</b><br>";
showpath($path . '/' . $value, $depth + 1);
} else {
for ($i = 0; $i < $depth; $i++) {
echo "   ";
}
echo $value . "<br>";
}
}
}
}
<!DOCTYPE html>
<html>
<head>
<title>ajax_showfile</title>
<meta charset="utf-8">
<script type="text/javascript" src="request.js"></script>
<?php
include "showdir.php";
print_r(showpath("uploads"));
?>
</head>
<body><ul>
<?php
$arr = showpath("uploads");
foreach ($arr as $key => $value) {
echo "<li><span onclick=\"http_zapros('GET','uploads/" . $value . "',obrabotka)\">" . $value . "</span>" . "<a href=\"uploads/" . $value . "\"> скачать</a></li>";
}
?>
</ul>
<form>
<input type='submit' name="show" value="show">
<hr>
<textarea id="otvet" name="filetext" value="place for text" style="width:500px; height:200px;" >
</textarea>
<hr>
</form>
<form>
<input type='submit' name="download" value="download">
</form>
</body>