Fill the Excerpt From an ACF Summary Field
Copies an ACF summary field into the post excerpt on save when the excerpt is empty, so themes, feeds and search results show your summary.
Snippet Library
Custom Post Types & Fields snippets for WordPress
Snippets for custom post types, taxonomies and custom fields: register a post type, add meta boxes, show fields in lists and archives. For developers modeling content beyond posts and pages.
Register ACF Fields in Code
A ready-to-edit example that registers an ACF field group (subtitle, summary and call-to-action link) for posts in PHP, so the fields are version-controlled and cannot be changed in the admin.