Wordpress: Gravity Forms List to ACF Repeater post save

gistfile1.php

<?php

add_action('gform_after_submission', 'gfToAcfListToRepeater', 10, 2);
function gfToAcfListToRepeater($entry, $form)
{
    foreach ($form['fields'] as $field) {
        if (!($field['type'] == 'post_custom_field' && $field['inputType'] == 'list' && $field['enableColumns'] == true)) {
            continue;
        }
        $id = $field['id'];
        $postId = $entry['post_id'];
        $acfFields = unserialize($entry[$id]);
        $fieldName = $field['postCustomFieldName'];
        $count = 0;

        foreach ($acfFields as $item) {
            foreach ($item as $key => $value) {
                $acfKey = str_replace(' ', '_', strtolower($key));
                $acfFieldName = $fieldName . '_' . $count . '_' . $acfKey;
                update_post_meta($postId, $acfFieldName, $value);
            }
            $count++;
        };
        update_post_meta($postId, $fieldName, count($acfFields));
    }
}

Did anyone actually get it to work? Can someone help with it? My custom repeater field name is "app_lvl_data".
Shall I replace it here: $fieldName = $field['postCustomFieldName']; ?

Here is a much simpler solution that uses the ACF functions:

`add_action( 'gform_after_submission_36', 'list_field_to_acf_accolades', 10, 2 );
function list_field_to_acf_accolades( $entry, $form ){

$id = $entry['post_id'];
$acfFields = maybe_unserialize( rgar( $entry, '77' ) );
$val = array();

foreach ( (array)$acfFields as $key => $data) {
	$description = array();
	$description['description'] = $data; 
	$val[] = $description;	
}		
update_field( 'accolades', $val, $id ); 

}`

I had the same issues as others and here is updated simple code with instructions

// Change the number in the following line with the id of your form. --- >  gform_after_submission_3. For me the form had id 3
add_action( 'gform_after_submission_3', 'list_field_to_acf_accolades', 10, 2 );
function list_field_to_acf_accolades( $entry, $form ){
$id = $entry['post_id'];
// Change the number 2 in ( rgar( $entry, '2' ) );  with the id of the list field in your gravity form. For me this was number 2. Also pros is the name of my repeater field. My subfield is also called pros.
$acfFields = maybe_unserialize( rgar( $entry, '2' ) );
$val = array();
foreach ( (array)$acfFields as $key => $data) {
$description = array();
$description['pros'] = $data;
$val[] = $description;
}
update_field( 'pros', $val, $id ); 
}

Incognitozen, could you clarify what your 'pros' is? Is it a CPT slug or is it the field name in Gravity Forms (name assigned to your list field =2 )?

Does anyone know of anything special for a multiple-column repeater field?

Thanks!

Incognitozen, could you clarify what your 'pros' is? Is it a CPT slug or is it the field name in Gravity Forms (name assigned to your list field =2 )?

Does anyone know of anything special for a multiple-column repeater field?

Thanks!

pros is the name of my repeater field. My subfield is also called pros.

@icognitozen How would you modify this to use a 2 column repeater?

My ACF Repeater is:

Repeater: links
Subfield Col1 = link_title
Subfield Col2 = link_url

I prefer the @EMembrillas version, because:

1. there's less ACF cruft made in your wp_postmeta table that ACF doesn't absolutely need (it rebuilds it all on re-saving the created post in the backend anyhow if you choose to do so);
2. it uses the default WordPress methods for adding a post custom fields in a well formed multi-column key naming structure that doesn't necessarily have to be used for ACF, but is compatible regardless;
3. it handles the duplicate issue mentioned.

In my experience, I noticed that the $post_id wasn't available when using the 'gform_after_submission' action. Instead, you can use the 'gform_after_create_post' (or 'gform_after_create_post_FORMID') action hook to make sure you can get the $post_id (if Post Fields exist in your form).

I am also using the Advanced Post Creation GF add-on; it too has an action called 'gform_advancedpostcreation_post_after_creation' (or 'gform_advancedpostcreation_post_after_creation_FORMID') which makes sure the $post_id is available.

I didn't have to go and grab $post_id from the $entry array passed in to the $entry parameter – I was able to use it directly in the code.

add_action('gform_advancedpostcreation_post_after_creation_68', 'partners_list_field_to_acf_repeater', 10, 4);
function partners_list_field_to_acf_repeater($post_id, $feed, $entry, $form) {

  // set these based on form fields and acf/postmeta fields
  $gf_list_field_id = 12;
  $acf_repeater_field_name = 'contacts_list';

  $acf_fields = maybe_unserialize(rgar($entry, $gf_list_field_id));
  $count = 0;
  foreach ($acf_fields as $item) {
    foreach ($item as $key => $value) {
      $acf_key = str_replace(' ', '_', strtolower($key));
      $postmeta_field_name = $acf_repeater_field_name . '_' . $count . '_' . $acf_key;
      update_post_meta($post_id, $postmeta_field_name, $value);
    }
    $count++;
    delete_post_meta($post_id, $acf_repeater_field_name, $value);
  };
  add_post_meta($post_id, $acf_repeater_field_name, count($acf_fields));
}