代码如下:$query = "SELECT * FROM users WHERE username ='$username';";if(mysql_num_rows($result)>0) //user exists
{INSERT INTO users ( username, password, sa
TicketNo,hash,entryScans FROM `Tickets` WHERE `TicketNo` = '$TicketNo' AND `hash` = '$hash'" or die(mysql_error());$row=mysql_num_rows($result);
$output=($row['entryScans