How to display error on PHP Plates templating engine - php

Question

I am trying to set up platesphp for one of my projects.
One of the methods in the model checks for the email address supplied by a new user and tells if the email they trying to use exists or not.
Something like
class UserModel extends BaseModel
{
public $errors = [];
public function validate()
{
if (filter_var($this->request->post['email'], FILTER_VALIDATE_EMAIL) === false) {
$this->errors[] = 'Invalid email';
}
if ($this->emailExists($this->request->post['email'])) {
$this->errors[] = 'Email already exist';
}
}
protected function emailExists($email)
{
$sql = 'SELECT * FROM user_account WHERE email = :email';
-----
-----
$stmt->execute();
return $stmt->fetch() !== false;
}
}
and in the controller
public function register()
{
$this->load->getModel('UserModel');
if ($this->model_UserModel->registerUser($this->request->post)) {
echo "Success ... load (redirect) second page";
} else {
$data ['error'] = $this->model_UserModel->errors;
echo $this->template->render('home/home', $data);
}
}
If the email exists and I var dump $data ['error'] it says "Email already Exist" as defined in the validate method in the UserModel.
Now, I am trying to get the error message on my home template by adding these lines on the tpl file
<?php if (!empty($this->e($errors))): ?>
<?php foreach($errors as $error): ?>
<li><?=$this->e($error)?></li>
<?php endforeach ?>
<?php endif;?>
But now if I click on the register page the template says
Notice: Undefined variable: errors in C:\xampp\htdocs\vem\App\Views\template\register\registeruser.tpl on line 14
How do I move forward?
I even tried setting the $this->e($error) = '' but naa, shows another error.

Answer 1

On your controller, you're setting variable error, but in template, you're accessing variable errors (with s).
Try with
<?php if (#$error)): ?>
<?php foreach($error as $e): ?>
<li><?=$this->e($e)?></li>
<?php endforeach ?>
<?php endif;?>

Answer 2

You need use error not errors:
<?php if (!empty($this->e($error))): ?>
<?php foreach($error as $error_item): ?>
<li><?=$this->e($error_item)?></li>
<?php endforeach ?>
<?php endif;?>