joomla2.5 flexicontent 在 flexicontent module 里面获取 image filed 的所有的缩略图方法

<?php 
defined('_JEXEC') or die('Restricted access');
foreach ($ordering as $ord){
	
	if (!isset($list[$ord]['standard'])) {
  	   continue;
    }
	$big_html = '';
	$btn_html = '';
	
	if(!function_exists('wangDaRenderImage')){
		$app				= JFactory::getApplication();
		$template		= $app->getTemplate();
		require_once( JPATH_BASE.DS.'templates'.DS.$template.DS.'wangda_functions.php');
	}
	foreach ($list[$ord]['standard'] as $item){
		$big_img = wangDaRenderImage($item, 'home_banner_big_img');
		$btn_img = wangDaRenderImage($item, 'home_banner_small_img');
		
		$i = 0;
		foreach($big_img as $img){
			$i++;
			$big_html .= '<img src="'.$img['l'].'" border="0"/>';
		}

		$i = 0;
		foreach($btn_img as $img){
			$i++;
			$btn_html .= '<img src="'.$img['s'].'" border="0"/>';
		}
	}

	$html = <<<wangDA
{$big_html}{$btn_html}
wangDA;
	echo $html;
}


function wangDaRenderImage($item, $fieldsname){
	$item = wangDaGetFlexiFeilds($item);

	$field = $item->fields[$fieldsname];
	$values = $item->fieldvalues[$item->fields[$fieldsname]->id];

	$f_params = new JParameter($field->attribs);
	$dir          = $f_params->get('dir');
	$dir_url      = str_replace('\\','/', $dir);
	$images = array();
	if( !empty($values) ){
		foreach($values as $key => $val){
			$value = unserialize($val);
			$images[$key]['l'] = $dir_url.'/l_'.$value['originalname'];
			$images[$key]['m'] = $dir_url.'/m_'.$value['originalname'];
			$images[$key]['s'] = $dir_url.'/s_'.$value['originalname'];
			$images[$key]['values'] = $value;
		}
	}

	return $images;
}

function wangDaGetFlexiFeilds($item){
	if(!$item->type_id ){
		$db = JFactory::getDBO();
		$sql = 'SELECT `type_id` FROM #__flexicontent_items_ext WHERE `item_id`='.$item->id;
		$db->setQuery($sql);
		$item->type_id = $db->loadResult();
	}
	
	$items = & FlexicontentFields::getFields($item, 'item');

	return $items[0];
}