<select class="aselect" id="<?php echo $value['id']; ?>"  name="<?php echo $value['id']; ?>">
			<?php
				global $options;
					foreach ($options as $value) {
						if (get_settings( $value['id'] ) === FALSE) { $$value['id'] = $value['std']; } else { $$value['id'] = get_settings( $value['id'] );
						}
					}
				$cats = get_categories('hide_empty=0'); foreach($cats as $cat) { ?>
				<option value="<?php echo $cat->cat_ID; ?>"<?php selected($tt_catbox_1, $cat->cat_ID); ?>><?php echo $cat->cat_name; ?></option>
				<?php } ?>
</select>

Wordpress Select categories option panel themes

wordpress

PHP