Output Group Code, Group IDs, Group Parents and Parent Levels

my_pmprogroupacct_get_groups_data.php

<?php // copy from below.
/**
 * Get Group Accounts data.
 *
 * To run this script, visit yoursite.com/wp-admin/?pmpro_get_groups=1
 *
 * You can add this recipe to your site by creating a custom plugin
 * or using the Code Snippets plugin available for free in the WordPress repository.
 * Read this companion article for step-by-step directions on either method.
 * https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */
function my_pmprogroupacct_get_groups_data() {
	if ( isset( $_REQUEST['pmpro_get_groups'] ) && class_exists( 'PMProGroupAcct_Group' ) ) {
		// Get all groups.
		$groups = PMProGroupAcct_Group::get_groups();

		// Bail if no groups.
		if ( empty( $groups ) ) {
			exit( 'No Group Accounts found' );
		}

		// Output table.
		echo '<table><tr><th>Group ID</th><th>Group Code</th><th>Group Parent</th><th>Group Parent Level ID</th><tr>';

		foreach ( $groups as $group ) {
			$group_parent_user = get_user_by( 'ID', $group->group_parent_user_id );
			$parent_user_info  = empty( $group_parent_user ) ? esc_html( $group->group_parent_user_id ) : '<a href="' . esc_url( pmprogroupacct_member_edit_url_for_user( $group_parent_user ) ) . '">' . esc_html( $group_parent_user->user_login ) . '</a>';

			echo '<tr><td>' . esc_html( $group->id ) . '</td><td>' . esc_html( $group->group_checkout_code ) . '</td><td>' . $parent_user_info . '</td><td>' . esc_html( $group->group_parent_level_id ) . '</td></tr>';

		}

		echo '</table>';

		exit();
	}
}
add_action( 'admin_init', 'my_pmprogroupacct_get_groups_data' );