<?php

include('connection.php');
$conn = OpenCon();

$address = $_GET['address'];

$selectSql = "SELECT rematch_address FROM Game_History WHERE address='$address'";
$selectQuery = mysqli_query($conn, $selectSql) or die("no record found");

if(mysqli_num_rows($selectQuery) > 0){
    echo mysqli_fetch_assoc($selectQuery)['rematch_address'];
}else{
    echo "0";
}

CloseCon($conn);

?>