$dir = 'domino_ci/gallery/1/';
$files = scandir($dir);
foreach($files as $file)
{
if(is_file($dir.$file) && preg_match('/^.*\.(jpg|jpeg|png|gif)$/i', $file))
{
echo '<table>
<tr>
<td><img src="'.$dir.$file.'" style="width:100px;height:100px"></td>
<td><a href="delete.php?file='.$file.'">del</a></td>
</tr>
</table>';
}
}