Custom Dimensions for Membership Level with the plugin GA Google Analytics by Jeff Starr

custom_dimensions_membership_level.php

<?php
/**
 * Custom Dimensions for Membership Level with the plugin GA Google Analytics by Jeff Starr
 * https://wordpress.org/plugins/ga-google-analytics/
 *
 * You must create the custom dimension for Membership Level in your Google Analytics account
 * and properly update that line in this recipe for the ID of your dimension.
 *
 */
function custom_dimensions_membership_level( $custom_code ) {

	$membership_level = '';
	// Get the value to track for the current user.
	if ( is_user_logged_in() && function_exists( 'pmpro_getMembershipLevelForUser' ) ) {
		// Get the current users's membership level ID. 
		$current_user_membership_level = pmpro_getMembershipLevelForUser( get_current_user_id() );
		$membership_level = $current_user_membership_level->ID;
	} else {
		// Set the tracked membership level ID to no_level.
		$membership_level = 'no_level';
	}
	if ( ! empty( $membership_level ) ) {
		$custom_code .= "ga('set', 'dimension4', '" . $membership_level . "' );";
	}

	return $custom_code;
}
add_filter( 'gap_custom_code', 'custom_dimensions_membership_level' );

This recipe is included in the blog post on "Putting Google Analytics to work for your Membership Site" at Paid Memberships Pro here: https://www.paidmembershipspro.com/putting-google-analytics-to-work-for-your-membership-site/