public function validateDrink_name($name)
{
$errors = array();
if ($name == '' || $name == null) {
$errors[] = 'Drink name cannot be empty!';
}
if (strlen($name) < 3) {
$errors[] = 'Drink name must be atleast 3 symbols long!';
}
if (Drink::nameAlreadyExists($name)) {
$errors[] = 'Drink name already exists!';
}
return $errors;
}
