tag 关键字检测

将一篇文章内容附上对应的链接‘ 无聊瞎整

        $stred = M("tag")->field("id",true)->select();
		$text = M("text")->limit(1)->getField("text");
		$ci=array("短网址"=>"http://jbxue.com","网址缩短"=>"http://jbxue.com");
		//检测关键字 替换
		foreach ( $stred as $k =>$v ) {
		     $str=''.$v['name'].'';
			 $text =  str_replace($v['name'], $str, $text);
		}
		$text = htmlspecialchars_decode($text);