Deletes user meta fields if the data loaded from the CRM is missing or empty

wpf-remove-empty-meta.fields.php

<?php

// Deletes user meta fields if the data loaded from the CRM is missing or empty

function wpf_remove_empty_meta_fields( $user_id, $user_meta ) {
	
	$contact_fields = wp_fusion()->settings->get( 'contact_fields' );

	foreach ( $contact_fields as $field_id => $field_data ) {

		if ( $field_data['active'] == true && empty( $user_meta[ $field_id ] ) ) {

			delete_user_meta( $user_id, $field_id );

		}

}

add_action( 'wpf_user_updated', 'wpf_remove_empty_meta_fields', 10, 2 );