区块获取taxonomy

/**
 * Implements hook_block_info().
 */
function my_form_block_info() {
 
  $blocks['myblock1'] = array(
    'info' => t('myblocktitle1'), //在区块列表中显示的标题
    'cache' => DRUPAL_NO_CACHE
  );

  return $blocks;
}
/**
 * Implements hook_block_view().
 */
function my_form_block_view($delta = '') {
  $block = array();

  switch ($delta) {

    case 'myblock1':
      $block['subject'] = t('myblock1'); //区块的标题
      $block['content'] = get_stest_items();//在区块中展示的内容
      break;
    
  }
  return $block;
}

function get_stest_items(){

 	$terms = taxonomy_get_tree(1,0); 

 	$cont['items']=array();

 	foreach ($terms as  $value) {
 		# code...
 		$cont['items'][] =l($value->name, 'taxonomy/term/'.$value->tid);//将分类列表下的分类词汇添加到$cont['items']中
 	}
	//dpm($cont);	
	
	return theme('item_list', $cont);//将分类词汇以ul形式显示
	
}