<?php

function CheckExchangeIsMaintenance($dbhandle)
{
	$return = true;

	$stmt = $dbhandle->prepare("SELECT * FROM exchange_maintenance");	
	$stmt->execute();
	$result = $stmt->get_result();	
	if($result)
	{		
		if($row = $result->fetch_assoc())
		{
			$is_maintenance = $row["is_maintenance"];

			if ($is_maintenance == 0)
			{
				$return = false;
			}

			mysqli_stmt_free_result($stmt);
		}
	}

	return $return;
}

?>