Make an ACF End Date Come After the Start Date
Blocks saving when an end date field is earlier than its start date field, such as for events, offers or bookings.
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.
Minimum Image Size for an ACF Image Field
Rejects uploads to a chosen ACF image field when the picture is smaller than the width and height you need, such as for hero banners.
Require a Unique Value in an ACF Field
Prevents two posts from sharing the same value in a field, such as a product code, membership number or reference ID.
Validate Phone Numbers in an ACF Field
Checks a phone number field when a post is saved and shows an error unless it has 7 to 15 digits, optionally with +, spaces, dashes and brackets.
Word Limit for an ACF Text Area
Shows an error when a text area or WYSIWYG field goes over a set number of words, which keeps summaries and teasers short.