Move PMPro Membership Card QR COde to the bottom right of the card.

my_pmpro_membership_card_left_remove_qr.php

<?php
/**
 * Move PMPro Membership Card QR COde to the bottom right of the card.
 *
 * 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_pmpro_membership_card_left_remove_qr( $card_content_left, $pmpro_membership_card_user, $atts ) {
	// Remove the QR code if enabled.
	if ( $atts['qr_code'] ) {
		unset( $card_content_left['qr_code'] );
	}

	return $card_content_left;
}
add_filter( 'pmpro_membership_card_left', 'my_pmpro_membership_card_left_remove_qr', 10, 3 );

function my_pmpro_membership_card_right_add_qr( $card_content_right, $pmpro_membership_card_user, $atts ) {
	// Show the QR code if enabled.
	if ( $atts['qr_code'] ) {
		$qr_code_data = pmpro_membership_card_return_qr_code_data( $pmpro_membership_card_user, $atts['qr_data'] );
		if ( ! empty( $qr_code_data ) ) {
			$card_content_right['qr_code'] = '<img style="float:right" src="' . esc_url( $qr_code_data ) . '" />';
		}
	}

	return $card_content_right;
}
add_filter( 'pmpro_membership_card_right', 'my_pmpro_membership_card_right_add_qr', 10, 3 );