PHP: List out items in a directory

$dir = ".";
 
if( is_dir( $dir ) ){
	if( $dir_handle = opendir( $dir ) ){
		while( $filename = readdir( $dir_handle ) ){
			echo "filename: {$filename}<br />" ;
		}
		//rewinddir($dir_handle) to start over
		closedir( $dir_handle );
	}
}
 
echo "<hr />";
 
if( is_dir( $dir ) ){
	$dir_array = scandir( $dir );
	foreach( $dir_array as $file ){
		if( stripos( $file, '.' ) > 0){
			echo "filename: {$file}<br />";
		}
	}
}