<?php
function email_exists($email, $con)
{
	$row = mysqli_query($con , "SELECT id FROM users WHERE email= '$email'");

	{
		if(mysqli_num_rows($row)==1)
		{
			return true;
		}
		else
		{
			return false;

		}
	}
}
function logged_in(){
	if (isset($_SESSION['mail']) || isset($_COOKIE['name'])) {
		return false;
	}else{
		return true;
	}
}
?>