david
802479ed64
git-svn-id: https://192.168.0.254/svn/Proyectos.FundacionLQDVI_WebCongresos/trunk@2 94ccb1af-fd9d-d947-8d90-7f70ea60afc8
81 lines
1.7 KiB
PHP
81 lines
1.7 KiB
PHP
<?php
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/**
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* @version $Id: banner.php 14401 2010-01-26 14:10:00Z louis $
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* @package Joomla
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* @subpackage Banners
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* @copyright Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
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* @license GNU/GPL, see LICENSE.php
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* Joomla! is free software. This version may have been modified pursuant
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* to the GNU General Public License, and as distributed it includes or
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* is derivative of works licensed under the GNU General Public License or
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* other free or open source software licenses.
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* See COPYRIGHT.php for copyright notices and details.
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*/
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/**
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* @package Joomla
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* @subpackage Banners
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*/
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class BannerHelper
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{
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/**
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* Returns a list of valid keywords based on the prefix in banner
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* configuration
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* @param mixed An array of keywords, or comma delimited string
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* @return array
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* @static
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*/
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function &getKeywords( $keywords )
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{
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static $instance;
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if (!$instance)
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{
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$config =& JComponentHelper::getParams( 'com_banners' );
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$prefix = $config->get( 'tag_prefix' );
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$instance = array();
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if (!is_array( $keywords ))
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{
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$keywords = explode( ',', $keywords );
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}
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foreach ($keywords as $keyword)
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{
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$keyword = trim( $keyword );
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$regex = '#^' . $prefix . '#';
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if (preg_match( $regex, $keyword ))
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{
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$instance[] = $keyword;
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}
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}
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}
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return $instance;
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}
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/**
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* Checks if a URL is an image
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*
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* @param string
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* @return URL
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*/
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function isImage( $url )
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{
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$result = preg_match( '#(\.bmp|\.gif|\.jpg|\.jpeg|\.png)$#i', $url );
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return $result;
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}
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/**
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* Checks if a URL is a Flash file
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*
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* @param string
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* @return URL
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*/
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function isFlash( $url )
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{
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$result = preg_match( '#\.swf$#i', $url );
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return $result;
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}
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}
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?>
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