my-pmpro-remove-referrer-no-access-message.php

<?php //do not copy

/**
 * This recipe removes the redirect referrer from the Login URL in the No Access message
 *
 * 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.
 * https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */

function my_pmpro_remove_referrer_noaccess_message( $no_access_message_html, $level_ids ) {
    
    //Current login url with a redirect refferer present
    $current_login_url = wp_login_url( get_permalink() );

    //New login url without a redirect refferer
    $new_login_url = wp_login_url();
    
    //Find the old url and replace it with the new one
    $no_access_message_html = str_replace( $current_login_url, $new_login_url, $no_access_message_html );
    
    return $no_access_message_html;

}
add_filter( 'pmpro_no_access_message_html', 'my_pmpro_remove_referrer_noaccess_message', 10, 2 );