This members-only tutorial provides the steps to display Frequently Asked Questions grouped by categories in Oxygen.
We are going to
register a `faq` Custom Post Type (CPT)
register a `faq_category` custom taxonomy attached to the faq CPT
enter the question as title and answer as the content for the FAQ entries
load jQuery Collapse for the expand-collapse using My Custom Functionality plugin
In the PHP code, we shall retrieve the terms of the faq_category taxonomy, loop through them and write a custom WP Query to pull all faq entries that belong to that taxonomy and output them in a format suitable for jQuery Collapse.
Install and activate Custom Post Type UI plugin.
Go to CPT UI > Add/Edit Post Types and add the FAQ post type.
Go to Add/Edit Taxonomies and add the FAQ Category taxonomy.
Attach it to FAQs.
In the Settings section, set Hierarchical to True so it behaves like categories and not tags.
Go to FAQs > Add New and add your FAQ entries. Select the appropriate FAQ category and publish.
Install and activate My Custom Functionality plugin.
Connect to your hosting account using a FTP client and navigate to site's wp-content/plugins/my-custom-functionality-master.
Upload jquery.collapse.js to the plugin's assets/js directory.
Edit plugin.php and replace the content of custom_enqueue_files() function with