<?php
include("dbconnection.php");

	if(isset($_GET["codigo"])){

		$sql = "SELECT Codigo FROM Curso WHERE Codigo='".$_GET["codigo"]."'";
		$result = $conn->query($sql);

		if ($result->num_rows > 0) {
		    echo "0";
		} else {
		    echo "1";
		}

	}else{
		echo "0";
	}

	$conn->close();

?>