Get ACF field values of related group (via Post Object) in functions.php

• YorlinqNL

• October 7, 2020 at 8:32 pm

I have 2 WordPress custom post types: CLIENT and MEASUREMENT

I also have 2 ACF groups: CLIENT and MEASUREMENT

I have multiple CLIENT posts.

When I create a new MEASUREMENT post I can select a CLIENT via a ‘Post object field’ to set the relation with the CLIENT.

When I am done with the MEASUREMENT post I want to email the data to the CLIENT.

I know how to send an email with all MEASUREMENT data but I can’t get the email addresses (repeater field) from within the related CLIENT post.

When I call these CLIENT email addresses within a template file I can do something like this (working):

$measurement_client = get_field('measurement_client'); // Post Object in MEASUREMENT group
$measurement_client_email_addresses = get_field('company_email_addresses', $measurement_client->ID); // Repeater field in CLIENT group

but I figured out I can’t use this code in my functions.php file because I have to use $_POST['acf'] in stead of get_field and here’s where I lose it.

The code below is working (tested it with a demo $to) but I don’t know what needs to be placed on **??????** to get the sub field values of the related field within the related CLIENT post…

I hope my question is clear?

// Get submitted values.
$values				= $_POST['acf'];

$measurement_client = $_POST['acf']['field_5e147914518a6']; // Post Object from CLIENT group
$measurement_client_email_addresses = ?????? // Repeater field in CLIENT group

if ( $measurement_client_email_addresses ) {
    $list = array();
    foreach( $measurement_client_email_addresses as $measurement_client_email_address ) {
        $list[] = $measurement_client_email_address['field_5e1452c41945c']; // Sub field in CLIENT group
    }
    $to = implode(',', $list);
}

So in other simple words:
How do I retrieve a field value (in functions.php) of a field that is not actually in the GROUP/POST itself but in a connected (via post object) GROUP/POST?

• John Huebner

• October 7, 2020 at 10:32 pm

See my last comment here https://support.advancedcustomfields.com/forums/topic/get-_postacf-value-of-repeater-field-in-post-object/#post-135228

$measurement_client_id = intval($_POST['acf']['field_5e147914518a6']);
$emails = array();

if (have_rows('email_repeater', $measurement_client_id)) {
  while (have_rows('email_repeater', $measurement_client_id)) {
    the_row();
    $emails[] = get_sub_field('email_field');
  }
}

• YorlinqNL

• October 8, 2020 at 1:49 am

John, again you’re a life safer.

Apparently I was searching in the wrong direction.

Many many tnx.

All kuddos go to you:
https://stackoverflow.com/questions/64222453/get-acf-field-values-of-related-group-via-post-object-in-functions-php/64246663#64246663