Adjust trial ending email to be closer to the time [Paid Memberships Pro]

my-pmpro-adjust-trial-ending-email.php

<?php
/**
 * Send trial ending/Expiring soon emails 3 days.
 * Add this code to your Code Snippet/Custom Plugin - https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */
function my_pmpro_adjust_trial_ending_email( $days ) {
	return 3;
}
add_filter( 'pmpro_email_days_before_trial_end', 'my_pmpro_adjust_trial_ending_email', 10, 1 ); // Trial Ending Soon Emails
add_filter( 'pmpro_email_days_before_expiration', 'my_pmpro_adjust_trial_ending_email', 10, 1 ); // Expiring Soon Emails