Change Set Expiration Date value for existing members/renewals

change-set-expiration-date-pmpro-renewal.php

<?php
/**
 * Changes the Y-M-D value for existing members when using the Set Expiration Date Add On.
 * Allows you to extend renewal dates for Set Expiration Dates 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_change_set_expiration_renewal_date( $date ) {
    global $pmpro_pages, $pmpro_level;

    // Only change it on checkout page.
    if ( ! is_page( $pmpro_pages['checkout'] ) ) {
       return $date;
    }

    // If current user doesn't have a membership level, don't change the date.
    if ( ! pmpro_hasMembershipLevel() ) {
        return $date;
    }

    // Only if the checkout level has a set expiration date, change it.
    if ( ! empty( $pmpro_level ) &&  pmpro_getSetExpirationDate( $pmpro_level->id ) ) {
        $date = 'Y2-12-31'; //change this here for the renewal date.
    }   

    return $date;
}
add_filter( 'pmprosed_expiration_date_raw', 'my_pmpro_change_set_expiration_renewal_date', 10, 1 );