Remove custom trial for levels for existing and past members Paid Memberships Pro (Trial only used once)

remove-custom-trial-for-members.php

<?php
/**
 * Removes custom trial for active and past members.
 * Adjust this code accordingly to price your membership level when removing the trial.
 * To add this code to your site, please follow this guide - https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */
function my_pmpro_remove_custom_trial( $level ) {
	
	if ( is_admin() || ! is_user_logged_in() ) {
        return $level;
    }

	// Instantiate a new MemberOrder object.
    $order = new MemberOrder();
    $lastOrder = $order->getLastMemberOrder(null, array('success', 'cancelled'));

	// They were once a past member, or currently have a level. Let's remove the trial for any level.
	if ( $lastOrder || pmpro_hasMembershipLevel() ) {

		// remove trial limit and set initial price to the billing amount.
		if ( $level->billing_amount > 0 && $level->trial_limit > 0 ) {
			$level->initial_payment = $level->billing_amount; // Set price to billing amount.
			$level->trial_limit = 0; // Remove the trial setting
		}
	}

    // Return the modified level object.
    return $level;
}
add_action( 'pmpro_checkout_level', 'my_pmpro_remove_custom_trial' );