<?php
date_default_timezone_set('Asia/Hong_Kong'); 
 
 
	require_once("../common.inc.php");

 	$q = $_REQUEST["q"];
	$c = $_REQUEST["c"];
	$nowday  = date("d");
	$nowmonth = date("m");
	$nowyear = date("Y");

	$sql = "select * from coupon where display=1 and quota>1 and startday<='".$nowyear."-".$nowmonth."-".$nowday."' and expireday>='".$nowyear."-".$nowmonth."-".$nowday."' and customcode='".$q."' ";

	$result = $db->query($sql);
	while ($row = $db->fetch_array($result)) {
		$customcode = $row["customcode"];
$_SESSION["couponcode"]=$row["customcode"];
		$a[] = $customcode;
 		$b[] = $row["fee1"]*$_SESSION['currency'];
		$fee = $row["fee1"]*$_SESSION['currency'];
	}


$hint = "";

// lookup all hints from array if $q is different from ""
if ($q !== "" ) {
    $q = strtolower($q);
    $len=strlen($q);
	$counter=0;
	$_SESSION["coupondiscount"]="";
    foreach($a as $name) {
        if (stristr($q, substr($name, 0, $len))) {
            if ($hint == "") {

				$_SESSION["coupondiscount"]=$b[$counter];
				$promoCode="";
                  $hint = " ( ".$_SESSION['curr']." ".$fee." Discounted value will be shown on the next step )"; 			    
            } else {
             }
        }
		$counter++;
    }
}

 
	echo $hint === "" ? "Invalid code" : $hint;
 
?>