Change 'Not Paying.' to 'Paying.' for Paid Memberships Pro.

pmpro-change-not-paying.php

<?php

/**
 * Changes 'Not Paying.' to 'Paying.' inside Paid Memberships Pro.
 * Add this code to your PMPro Customizations Plugin - https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */

function change_not_paying_to_paying_pmpro( $translated_text, $text, $domain ) {

        switch ( $translated_text ) {

            case 'Not Paying.' :

                $translated_text = __( 'Paying.', 'paid-memberships-pro' );
                break;
        }

    return $translated_text;
}
add_filter( 'gettext', 'change_not_paying_to_paying_pmpro', 20, 3 );