Just think it

     /*
	 *将文字表述的时间 转化为相应的时间
	*/
	function changToDateTime($str)
	{
		$str=trim($str);
		$res=array();
		//如果本身是时间格式
		if(preg_match("/(\d{4}-\d{1,2}-\d{1,2})\s(\d{1,2}:\d{1,2}:\d{1,2})/",$str)){
			$res=explode(" ",$str);
			$res[2]=$str;
		}elseif(preg_match('/(\d{4})年(\d{1,2})月(\d{1,2})日\s(\d{1,2}:\d{1,2})/',$str,$match)){
			$res[0]=$match[1].'-'.$match[2].'-'.$match[3];
			$res[1]=$match[4].':00';
			$res[2]=$res[0].' '.$res[1];			
		}elseif(preg_match('/(\d{1,2})月(\d{1,2})日\s(\d{1,2}:\d{1,2})/',$str,$match)){
			$res[0]=date("Y").'-'.$match[1].'-'.$match[2];
			$res[1]=$match[3].':00';
			$res[2]=$res[0].' '.$res[1];			
		}elseif(preg_match('/(\d{4})\s*年(\d{1,2})\s*月(\d{1,2})\s*日/',$str,$match)){
			//只有日期数据的格式
			$res[0]=$match[1].'-'.$match[2].'-'.$match[3];
			$res[1]='00:00:00';
			$res[2]=$res[0].' '.$res[1];	
		}elseif(preg_match("/(\d+)\s*秒前/",$str,$match)){
			$dateTime=time()-$match[1];
			$dateTime=date("Y-m-d H:i:s",$dateTime);
			$res=explode(" ",$dateTime);
			$res[2]=$dateTime;			
		}elseif(preg_match("/(\d+)\s*分钟前/",$str,$match)){//如果是分钟格式 如：3分钟前
			$dateTime=time()-$match[1]*60;
			$dateTime=date("Y-m-d H:i:s",$dateTime);
			$res=explode(" ",$dateTime);
			$res[2]=$dateTime;
		}elseif(preg_match("/(\d+)\s*小时前/",$str,$match)){//如果是小时格式
			$dateTime=time()-$match[1]*3600;
			$dateTime=date("Y-m-d H:i:s",$dateTime);
			$res=explode(" ",$dateTime);
			$res[2]=$dateTime;
		}elseif(preg_match("/(\d+)\s*天前/",$str,$match)){
			$dateTime=time()-$match[1]*3600*24;
			$dateTime=date("Y-m-d H:i:s",$dateTime);
			$res=explode(" ",$dateTime);
			$res[2]=$dateTime;
		}elseif(preg_match("/(\d+)\s*[h|H]ours/",$str,$match)){
			//英文版本的多少个小时以前
			$dateTime=time()-$match[1]*60;
			$dateTime=date("Y-m-d H:i:s",$dateTime);
			$res=explode(" ",$dateTime);
			$res[2]=$dateTime;
		}elseif(preg_match("/([a-zA-Z])+\s+(\d{1,2}):(\d{1,2}:\d{1,2})\s+[A|P]M/",$str,$match)){
			//英文版本带昨天 之类 的说明 
			if($match[1]=='Yesterday'){
				$res[0]=date("Y-m-d",time()-86400);
			}else{
				$res[0]=date("Y-m-d"); //默认设置为今天 会出错！！根据 实际 情况 完善
			}
			//如果 是下等，时间要加12个小时
			if($match[4]=='PM'){
				$match[2]=intval($match[2]); //应该是去年前面 的0! 待改
				$match[2]+=12;
			}
			$res[1]=$match[2].":".$match[3];			
			$res[2]=$res[0]." ".$res[1];
		}elseif(preg_match("/\d{1,2}\/\d{1,2}\/10/",$str,$match)){
			$res[0]="2010-".$match[1]."-".$match[2];
			$res[1]="00:00:00"; 
			$res[2]=$res[0]." ".$res[1];
		}elseif(preg_match('/(\d+)\s*[M|m]inutes/',$str,$match)){
			$dateTime=time()-$match[1]*60;
			$dateTime=date("Y-m-d H:i:s",$dateTime);
			$res=explode(" ",$dateTime);
			$res[2]=$dateTime;
		}elseif(preg_match('/前天 (\d{1,2}:\d{1,2})/',$str,$match)){
			$dateTime=time()-24*60*60*2;
			$dateTime=date("Y-m-d",$dateTime).' '.$match[1].':00';
			$res=explode(" ",$dateTime);
			$res[2]=$dateTime;
		}elseif(preg_match('/昨天 (\d{1,2}:\d{1,2})/',$str,$match)){
			$dateTime=time()-24*60*60;
			$dateTime=date("Y-m-d",$dateTime).' '.$match[1].':00';
			$res=explode(" ",$dateTime);
			$res[2]=$dateTime;
		}elseif(preg_match('/今天 (\d{1,2}:\d{1,2})/',$str,$match)){
			$dateTime=date("Y-m-d").' '.$match[1].':00';
			$res=explode(" ",$dateTime);
			$res[2]=$dateTime;
		}elseif(preg_match('/(\d{1,2}-\d{1,2}) (\d{1,2}:\d{1,2})/',$str,$match)){
			$dateTime=date("Y").'-'.$match[1].' '.$match[2].':00';
			$res=explode(" ",$dateTime);
			$res[2]=$dateTime;
		}elseif(preg_match('/(\d{2,4}-\d{1,2}-\d{1,2}) (\d{1,2}:\d{1,2})/',$str,$match)){
			$dateTime=$match[1].' '.$match[2].':00';
			$res=explode(" ",$dateTime);
			$res[2]=$dateTime;
		}elseif(preg_match('/(\d+)\s*Seconds/',$str,$match)){
			$dateTime=time()-$match[1];
			$dateTime=date("Y-m-d H:i:s",$dateTime);
			$res=explode(" ",$dateTime);
			$res[2]=$dateTime;
		}elseif(preg_match('/([a-zA-Z]+)\s+(\d+).*?(\d{4})/',$str,$match)){
			//格式：Mar 1,2010
			$m=$this->monthSimple($match[1]);
			$res[0]=$match[3].'-'.$m.'-'.$match[2];
			$res[1]="00:00:00";
			$res[2]=$res[0]." ".$res[1];
		}elseif($str=='今天'){
			$res[0]=date("Y-m-d");
			$res[1]="00:00:00";
			$res[2]=$res[0]." ".$res[1];
		}elseif($str=='昨天') {
			$dateTime=time()-86400;
			$res[0]=date("Y-m-d",$dateTime);
			$res[1]="00:00:00";
			$res[2]=$res[0]." ".$res[1];
		}elseif($str=='前天'){
			$res[0]=date("Y-m-d",(time()-86400*2));
			$res[1]="00:00:00";
			$res[2]=$res[0]." ".$res[1];
		}elseif($str=='刚刚'){
			$res[0]=date("Y-m-d");
			$res[1]=date("H:i:s");
			$res[2]=$res[0]." ".$res[1];
		}else{ 
			$res[0]="0000-00-00";
			$res[1]="00:00:00";
			$res[2]=$res[0]." ".$res[1];
		}
		return $res;
	}

//$this->noData 为匹配限制的页面正则, $this->page 为页面内容,可用file_get_content()获取
 
if(preg_match($this->noData,$this->page)){
$this->reStartRouter();
 
}
 
//操作路由
 
function router($target=''")
 
{
 
$server  = '192.168.0.1';            // IP address
 
$host    = '192.168.0.1';            // Domain name
 
$port    = 80;
 
$referer = 'http://'.$host.$target;    // Referer
 
$username = "admin";#路由的用户名
 
$password = "admin";#路由的管理密码
 
$authorization = base64_encode($username.":".$password);
 
$File = fsockopen($server, $port, $errno, $errstr, 50);
 
if ($File)
 
{
 
$out = "GET $target HTTP/1.1\r\n";
 
$out .= "Host: $host\r\n";
 
$out .= "Referer: $referer\r\n";
 
$out .= "Authorization: Basic $authorization\r\n";
 
$out .= "Connection: Close\r\n\r\n";
 
fputs($File, $out);
 
$makeFile = $buffer = "";
 
while ($buffer = fread($File,4096))
 
{
 
$makeFile = $makeFile.$buffer;
 
}
 
fclose($File);
 
return $makeFile;
 
}
 
}
 
//断开
 
function disconnectr() {
 
$url = '/if.cgi?redirect=sys_status.htm&failure=fail.htm&type=wan_state_reset&ifname=ppp0&ifstatus=Up&ifcmd=DISCONNECT';
 
router($url);
 
}
 
//连接
 
function connectr() {
 
$url = '/if.cgi?redirect=sys_status.htm&failure=fail.htm&type=wan_state_reset&ifname=ppp0&ifstatus=Down&ifcmd=CONNECT';
 
router($url);
 
}
 
function reStartRouter()
{
$r=new router();
$r->disconnectr();//断开
$r->connectr();//连接
sleep(3);//静止3秒，一般要过一会才可以 连上
return true;
}