Reply To: Updating Field Settings in PHP

• John Huebner

• January 17, 2019 at 1:09 am

Updating choices for a field, or any other information can be done using the acf_update_field() function. This function is not documented, but it is the function that ACF calls internally to update a field when it’s changed in the admin.

// get the field... use the field key
$field = get_field_object('field_1234567');

// modify the settings of the field
$field['choices']['new-choice-value'] = 'new choice label';

// tell ACF to update the field settings
acf_update_field($field);

There are other ways to accomplish some other things that might be a better field. Filters on acf/load_field https://www.advancedcustomfields.com/resources/acf-load_field/ and acf/prepare_field https://www.advancedcustomfields.com/resources/acf-prepare_field/ can be use to temporarily alter values for display.