Change the statement descriptor for Stripe charges and subscriptions.

my_update_pmpro_stripe_statement_descriptor.php

<?php
/**
 * Change the statement descriptor for Stripe charges and subscriptions.
 * This is the message shown on the customer's credit card statement.
 * Must contain at least one letter, 22 characters max.
 *
 * Requires PMPro 2.4.1+
 *
 * Note: If your descriptor includes invalid characters or
 * more than 22 chacters, checkout will fail.
 *
 * Copy this code into a custom plugin or code snippet.
 */
function my_update_pmpro_stripe_statement_descriptor( $params, $order ) {
	// Check the $order->membership_id to set statement descriptor based on membership level
	$level_id = intval( $order->membership_id );

	if ( ! empty( $level_id ) ) {
		switch ( $level_id ) {
			case 1:
				$params['statement_descriptor'] = 'Level 1 Descriptor';
				break;
			case 2:
				$params['statement_descriptor'] = 'Level 2 Descriptor';
				break;
			case 3:
				$params['statement_descriptor'] = 'Level 3 Descriptor';
				break;
			default:
				// Set a default statement descriptor if membership level is not defined
				$params['statement_descriptor'] = 'Default Descriptor';
		}
	}

	return $params;
}
add_filter( 'pmpro_stripe_payment_intent_params', 'my_update_pmpro_stripe_statement_descriptor', 10, 2 );