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List all files in a directory and place them in a select menu

List all files in a directory and place them in a select menu

<?
//list all files in current directory andplace
//ina select box
function listfiles()
{
echo '<select name="filelist">';
$dir = opendir("./");
while($dirlist = readdir($dir)) 
{ 
if ($dirlist[0] != "." && $dirlist[0] != ".." ) 
{
echo "<option value=\"$dirlist\">$dirlist</option>";
}
}
echo '</select>';
closedir($dir);
} 
echo '<form method="post" action="">';
listfiles();
echo '</form>';

?>