<select name="kategori[]" multiple size="10" tabindex="10">
<?php $get = $wpdb->get_results("SELECT * FROM $wpdb->term_taxonomy where taxonomy='category'");
	foreach ( $get as $g ) 
	{
		$cid = $g->term_id;
		$adbul = $wpdb->get_row("Select * from $wpdb->terms where term_id='$cid'");
		$cname= $adbul->name;
		echo '<option value="'.$cid.'">'.$cname.'</option>';
	} ?>
</select>