微信开发不能返回数据的奇怪有关问题

                //获取td栏的代码

            	$regex = "/([\s\S]*?)<\/td>/";

                $str = file_get_contents('http://www.zh818.com/get/quanguo-jg/');

                $matches = array();

                preg_match_all($regex, $str, $matches);

                echo "\n";

                

            	//获得网址  

                $href ='//is';

                $href_single = array(); 

                if(preg_match($href, $matches[0][1], $href_single))

               

                //根据获得的网址获取表格信息     

                $regex = '/.*([\d\.]+?).*<\/table>/sU';

                $str = file_get_contents($href_single[1]);

                $matches = array();   

                if(preg_match($regex, $str, $matches))

                $result = $this->transmitText($object, $matches);