Vê se ajuda:
<?php
define('DS', DIRECTORY_SEPARATOR);
$directorio = 'teste';
$teste = array_map(function($file)
{
return basename($file);
}, (array) glob($directorio . DS . '*_copiar', GLOB_NOSORT));
?>
<table width="100%" border="1">
<?php
$contador = 1;
foreach ($teste as $t)
{
?>
<tr>
<td width="50%" height="25px"><div align="center"><?php echo $t; ?></div></td>
<td><?php echo $contador++; ?></td>
</tr>
<?php
}
?>
</table>