<?php
session_start();
?>
<form action="home.php" method="post">
<input type="password" name="u_pass" class="form-control input" style="width:300px;" placeholder="Введіть пароль" required>
<input type="email" name="u_email" class="form-control input" style="width:300px;" placeholder="Введіть email" required>
<input type="submit" value="Увійти">
<?php
$email = $_POST['u_email'];
$_SESSION['u_email'] = $email;
?>
</form>