采集网站 正则表达式和结果输出 问题

采集到输出错误，看看是正则语句问题吗

 function request_by_curl($remote_server, $post_string){    $ch = curl_init();    curl_setopt($ch, CURLOPT_URL, $remote_server);    curl_setopt($ch, CURLOPT_POSTFIELDS, 'mypost=' . $post_string);    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);    curl_setopt($ch, CURLOPT_USERAGENT, "Jimmy's CURL Example beta");    $data = curl_exec($ch);    curl_close($ch);    return $data;}$string = request_by_curl("http://www.bwlc.net/bulletin/keno.html",80);  $pat = '/\<tr class=\".*\">[\s\S]*?\<td\>(.*?)\<\/td\>[\s\S]*?\<td\>(.*?)\<\/td\>[\s\S]*?\<td\>(.*?)\<\/td\>[\s\S]*?\<td\>(.*?)\<\/td\>[\s\S]*?\<\/tr\>/i';preg_match_all($pat,$string,$outstr);foreach($outstr as $key => $value){ 	echo "第".$outstr[$key][1]."期,开奖结果为：".$outstr[$key][2]."飞盘：".$outstr[$key][3]."时间：".$outstr[$key][4]."\n";}

回复讨论(解决方案)

你把匹配结果数组的格式理解错了

foreach($outstr[0] as $key => $value){     echo "第".$outstr[1][$key]."期,开奖结果为：".$outstr[2][$key]."飞盘：".$outstr[3][$key]."时间：".$outstr[4][$key]."\n";}

第712522期,开奖结果为：55,09,59,43,04,28,58,70,13,46,42,73,16,51,30,75,11,41,25,69飞盘：01时间：2015-08-20 23:55第712521期,开奖结果为：39,51,10,48,57,25,35,16,78,33,47,20,71,37,42,17,59,49,28,01飞盘：03时间：2015-08-20 23:50第712520期,开奖结果为：38,48,12,27,23,59,13,30,18,60,08,20,15,45,31,05,41,25,01,17飞盘：02时间：2015-08-20 23:45第712519期,开奖结果为：36,28,69,13,42,21,73,05,26,15,58,44,03,56,35,02,19,47,66,06飞盘：01时间：2015-08-20 23:40第712518期,开奖结果为：28,71,47,57,22,66,62,36,02,53,63,07,60,64,35,46,15,78,39,58飞盘：03时间：2015-08-20 23:35第712517期,开奖结果为：74,05,23,11,50,34,04,49,26,01,13,40,54,08,29,24,73,09,31,15飞盘：02时间：2015-08-20 23:30第712516期,开奖结果为：27,40,13,76,38,52,24,75,44,49,14,72,65,35,04,47,67,07,57,71飞盘：01时间：2015-08-20 23:25第712515期,开奖结果为：06,68,31,03,16,63,75,09,44,30,77,12,46,17,79,07,27,15,71,47飞盘：03时间：2015-08-20 23:20第712514期,开奖结果为：01,32,42,06,39,60,20,25,14,75,24,38,19,71,31,33,17,70,41,23飞盘：01时间：2015-08-20 23:15第712513期,开奖结果为：57,11,36,33,74,15,41,31,75,07,32,18,52,42,06,45,34,03,30,44飞盘：02时间：2015-08-20 23:10第712512期,开奖结果为：47,50,13,64,57,32,03,48,58,07,56,61,29,42,12,75,35,55,25,67飞盘：10时间：2015-08-20 23:05第712511期,开奖结果为：49,21,79,07,29,17,64,53,05,60,47,02,20,59,66,12,48,40,67,15飞盘：01时间：2015-08-20 23:00第712510期,开奖结果为：22,80,37,53,27,79,40,46,26,76,61,33,12,42,69,16,60,74,31,39飞盘：01时间：2015-08-20 22:55第712509期,开奖结果为：64,42,07,57,35,01,25,46,66,17,37,33,67,18,41,26,77,14,32,22飞盘：01时间：2015-08-20 22:50第712508期,开奖结果为：62,02,55,63,16,25,06,73,22,52,08,72,27,42,07,71,61,18,01,32飞盘：01时间：2015-08-20 22:45第712507期,开奖结果为：34,64,74,17,55,47,78,21,59,36,79,16,40,29,72,61,15,68,51,13飞盘：02时间：2015-08-20 22:40第712506期,开奖结果为：23,70,67,37,04,57,68,18,66,69,33,46,19,77,45,64,28,75,48,62飞盘：01时间：2015-08-20 22:35第712505期,开奖结果为：58,20,43,27,59,17,31,21,54,44,15,46,39,11,24,45,57,19,41,35飞盘：03时间：2015-08-20 22:30第712504期,开奖结果为：29,53,14,72,42,50,12,71,61,26,03,45,65,05,59,68,23,32,09,74飞盘：02时间：2015-08-20 22:25第712503期,开奖结果为：29,20,67,45,10,50,34,09,22,46,74,14,35,31,77,15,38,28,79,13飞盘：01时间：2015-08-20 22:20第712502期,开奖结果为：49,60,19,30,07,76,27,45,17,70,37,44,11,61,56,21,05,38,58,06飞盘：03时间：2015-08-20 22:15第712501期,开奖结果为：39,04,26,57,65,17,41,36,68,21,43,32,76,12,34,22,64,54,06,60飞盘：02时间：2015-08-20 23:55第712500期,开奖结果为：56,26,02,41,58,05,50,63,22,31,07,72,27,48,18,68,39,46,10,65飞盘：02时间：2015-08-20 22:05第712499期,开奖结果为：50,15,74,63,28,08,45,67,09,54,72,25,43,14,80,31,53,21,76,44飞盘：02时间：2015-08-20 22:00第712498期,开奖结果为：10,52,29,79,03,37,12,62,55,02,58,45,01,21,57,66,08,47,39,78飞盘：04时间：2015-08-20 21:55第712497期,开奖结果为：77,30,49,13,72,36,46,12,70,56,22,03,43,61,05,55,65,18,35,08飞盘：03时间：2015-08-20 21:50第712496期,开奖结果为：15,48,41,06,46,29,02,16,45,49,10,39,27,56,13,40,22,66,09,24飞盘：01时间：2015-08-20 21:45第712495期,开奖结果为：02,41,71,19,25,07,80,24,38,13,79,26,30,11,77,43,20,01,29,50飞盘：04时间：2015-08-20 21:40第712494期,开奖结果为：06,30,66,72,09,50,41,75,14,52,32,76,08,34,18,71,61,07,68,42飞盘：02时间：2015-08-20 21:35第712493期,开奖结果为：78,72,31,08,61,74,13,69,77,28,52,16,80,46,67,26,79,59,63,23飞盘：04时间：2015-08-20 21:30