science-ation/register_participants_main.php

<?
 require("common.inc.php");
 
 //authenticate based on email address and registration number from the SESSION
 if(!$_SESSION['email'])
 {
 	header("Location: register_participants.php");
	exit;
 }
 if(!$_SESSION['registration_number'])
 {
 	header("Location: register_participants.php");
	exit;
 }

 $q=mysql_query("SELECT registrations.id AS regid, students.id AS studentid, students.name FROM registrations,students ".
 	"WHERE students.email='".$_SESSION['email']."' ".
	"AND registrations.num='".$_SESSION['registration_number']."' ". 
	"AND registrations.id='".$_SESSION['registration_id']."' ".
	"AND students.registrations_id=registrations.id ".
	"AND registrations.year=".$config['FAIRYEAR']." ".
	"AND students.year=".$config['FAIRYEAR']);
echo mysql_error();

 if(mysql_num_rows($q)==0)
 {
 	echo "error";
// 	header("Location: register_participants.php");
	exit;
 
 }
 $r=mysql_fetch_object($q);
 send_header("Participant Registration");
 echo "Welcome back <b>$r->name</b>";
 echo "<br><br>";
 print_r($r);


 send_footer();
?>