Hi,
One of my customer want to modify some ACF fields from a ancient website.
In one case he want to convert, as it is not needed anymore, a repeater field to a single value field wich must be fill with the first value of the repeater.
Any advice on how to do this without copy/paste hundreds times?
Thanks 😉
Unfortunately, there really is not an easy way to do this, the only thing that I can do is to tell you what I would do given the same scenario.
1) I would not delete the repeater
2) I would create the new fields
3) I would create a filter (https://www.advancedcustomfields.com/resources/acf-load_value/) that runs when the value is loaded for the new fields. If the new field does not have a value (has never been set) then retrieve the corresponding value from the old field. This will work to automatically transfer the old values to the new field when a post is edited.
4) I would create and action (https://www.advancedcustomfields.com/resources/acf-save_post/). In this action I would delete the old fields from each post as it is updated using the new fields.
5) With #3 & #4 in place and working successfully I would create another filter (https://www.advancedcustomfields.com/resources/acf-prepare_field/) for the repeater to hide the old field (return false). This leaves the old fields and data in place and sill retrievable for #3 and for #6 (coming up)
6) Alter the template file(s) where the old values are used. First see if the new field has a value and if it does use the new field. If the new field does not have a value then to get the value from the old field and use it.
Thanks John, you are always so usefull !!
Just for now I started with a simplified version :
function update_fields_value( $post_id ) {
if (get_post_type($post_id) != 'annuaire') {
return;
}
$localisations = get_field('ACF_localisation', $post_id );
if ( $localisations ) {
$first_localisation = $localisations[0];
update_field( 'field_5f0846f3dbd27', $first_localisation['ACF_adresse_ligne_1'], $post_id );
update_field( 'field_5f08542b4627f', $first_localisation['ACF_adresse_ligne_2'], $post_id );
update_field( 'field_5f08544746280', $first_localisation['ACF_code_postale'], $post_id );
update_field( 'field_5f08548f46281', $first_localisation['ACF_localite'], $post_id );
}
$contacts = get_field('ACF_presentation_du_personnel', $post_id );
if ( $contacts ) {
$first_contact = $contacts[0];
if ( $first_contact['ACF_poste_du_contact'] != "" ) {
$contact_details = $first_contact['ACF_prenom_du_contact'] . ' ' . $first_contact['ACF_nom_du_contact'] . ' (' . $first_contact['ACF_poste_du_contact'] . ')';
} else {
$contact_details = $first_contact['ACF_prenom_du_contact'] . ' ' . $first_contact['ACF_nom_du_contact'];
}
update_field( 'field_5f0844ed062f3', $contact_details, $post_id );
}
}
add_action('acf/save_post', 'update_fields_value', 15);
I have just seen 5/6 posts for the above code testing and realise that there are encoding errors. With this solution I will force the customer to at least open, save (to update the fields) and check the new contents.
