Ткните меня носом в ошибку! Не могу разобраться в коде! Не выводит данные на сайт!

<?php include 'Users/check_session.php'; ?>
 
<?php
include 'tools/env_file.php';
$env = new EnvParser();
 
$addr = $env->get_env("CLIENT_ADDR");
$addr2 = $env->get_env("CLIENT_ADDR2");
$tel = $env->get_env("CLIENT_TEL");
$tel2 = $env->get_env("CLIENT_TEL2");
$email = $env->get_env("CLIENT_EMAIL");
$email2 = $env->get_env("CLIENT_EMAIL2");
 
?>
 
 
<h1>Изменить контактную информацию</h1>
<div class="container"> 
 
<form id="contact" action="site_contact_manager.php" method="post" enctype="multipart/form-data">
<fieldset>
<label>Phone:</label><br>
<input id="tel" name="tel" placeholder="Tel.." type="text" tabindex="1" value="<?php echo $tel; ?>" required>
<input id="tel2" name="tel2" placeholder="Tel.." type="text" tabindex="2" value="<?php echo $tel2; ?>">
</fieldset>
 
<fieldset>
<label>Email:</label><br>
<input id="email" name="email" placeholder="Email.." type="email" tabindex="2" value="<?php echo $email; ?>" required>
<input id="email2" name="email2" placeholder="Email.." type="email" tabindex="3" value="<?php echo $email2; ?>">
</fieldset>
 
<fieldset>
<label>Address:</label><br>
<textarea id="addr" name="addr" placeholder="Addr.." tabindex="3" required><?php echo $addr; ?></textarea>
<textarea id="addr2" name="addr2" placeholder="Addr.." tabindex="4" required><?php echo $addr2; ?></textarea>
</fieldset>
 
<fieldset>
<button name="submit" type="submit" id="contact-submit" >Update</button>
</fieldset>
</form>
</div>
</body>
</html>
 
<?php
if (isset($_POST['submit'])){
 
$addr = $_POST['addr'];
$addr2 = $_POST['addr2'];
$tel = $_POST['tel'];
$tel2 = $_POST['tel2'];
$email = $_POST['email'];
$email2 = $_POST['email2'];
 
$env->set_env("CLIENT_ADDR", $addr);
$env->set_env("CLIENT_ADDR2", $addr2);
$env->set_env("CLIENT_TEL", $tel);
$env->set_env("CLIENT_TEL2", $tel2);
$env->set_env("CLIENT_EMAIL", $email);
$env->set_env("CLIENT_EMAIL2", $email2);
 
 
?>
 
<?php
}
?>