How to show product stock availability in category page in Opencart cms

Today I will show you how to display product stock availability in category page in Opencart cms. There are few code that  you need to add in the several page.

First Step:

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Go to category.php  in catalog/controller/product and place this code:

$this->data['text_stock'] = $this->language->get('text_stock');

After this code:

$this->data['text_limit'] = $this->language->get('text_limit');