list the file in dir using php

<?php

print_r(getDirectoryList ("./"));

function getDirectoryList ($directory) {
// create an array to hold directory list
$results = array();
// create a handler for the directory
$handler = opendir($directory);
// open directory and walk through the filenames
while ($file = readdir($handler)) {
// if file isn't this directory or its parent, add it to the results
if ($file != "." && $file != "..") {
$results[] = $file;
}
}
// tidy up: close the handler
closedir($handler);

// done!
return $results;

}
?>