QR Code example to return membership information.

qr-code-pmpro-example.php

<?php
/**
 * Returns membership information when scanning QR Code on Membership Card Add On.
 * Add this code to your site by following this guide - https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */


function my_pmpro_qr_code_example( $member, $option ){

	if ( $option == 'other' ){
        $return_value = array();
        if ( isset( $member->membership_level ) ) {
            $membership_level = $member->membership_level;
            $return_value['date-of-query'] = date_i18n( get_option( 'date_format' ) );
            $return_value['name'] = $member->user_nicename;
            $return_value['membership-name'] = $membership_level->name;
            $return_value['expiration-date'] = $membership_level->enddate;
        } else {
            $return_value['membership-name'] = "No membership";
        }
        return json_encode( $return_value );
	}	

}
add_filter( 'pmpro_membership_card_qr_data_other', 'my_pmpro_qr_code_example', 10, 2 );

@gabrielledean76 here if it helps: https://gist.github.com/MaryOJob/5365d93cf939f51d86d9af8f889f1f80