Reply To: True/False – Only allow one post to have true value

• John Huebner

• August 1, 2018 at 9:45 pm

Sorry for not getting back here sooner.

I just noticed that you are calling

acf_update_field( $fieldId, false, get_the_ID() );

That function does not update the value of the field, it updates the acf field’s settings. You should be using update_field();