Home › Forums › General Issues › Need help for auto-increment field with update_field › Reply To: Need help for auto-increment field with update_field
There really isn’t a way to do this simply.
There are a couple of choices.
The is to create an acf/save_post filter https://www.advancedcustomfields.com/resources/acf-save_post/. In this filter get the value of the field and save it as an option https://developer.wordpress.org/reference/functions/update_option/. Then create an acf/load_field filter https://www.advancedcustomfields.com/resources/acf-load_field/ and set the default value for the field based on the option.
Second choice. Create an acf/load_field filter. In this filter you do a query to get the posts of the post type. Order DESC by the custom field, limit the posts returned to only get 1 post. Get the value of the field on this one post and set the default value of the field based on this value.
Either has it’s pros and cons
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