Collection of opencart functions that are very useful for ecommerce development

$this->cart->remove($key):

Remove the cart value

$this->cart->update($key, $value):

Update the cart value

$customer_id=$this->customer->getId():

The $customer_id is the logged in Customer ID

$this->request->get[‘get_data’]:

This acts as the $_GET

$this->session->data[‘session_data’]:

This acts as the $_SESSION

$this->request->post[‘post_data’]:

This acts as the $_POST

$this->document->title:

This returns the document title.

$this->document->keywords:

This returns the keywords at the title of the page which is not shown in the document means acts as the meta keywords.

$this->document->description:

This acts as the meta description and will directly located in the head section of the pages.

$this->customer->isLogged():

Check whether the customer is logged in or not

collections of opencart reserved keywordk, opencart functions collections