Change when to show the renewal link on Paid Memberships Pro account page.

show-renewal-link-after-X-days-or-less.php

<?php // be mindful about not duplicating this tag in your customizations plugin.
/**
 * This will show the renewal date link within the number of days or less than 
 * the members expiration that you set in the code gist below. line 18
 * 
 * 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.
 * Read this companion article for step-by-step directions on either method.
 * https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */

function show_renewal_link_after_X_days( $r, $level ) {

	if ( empty( $level->enddate ) ) {
		return false;
	}

	$days = 30; // Change this to value.

	// Are we within the days until expiration?
	$now = current_time( 'timestamp' );

	if ( $now + ( $days * 3600 * 24 ) >= $level->enddate ) {
		$r = true;
	} else {
		$r = false;
	}

	return $r;
}

add_filter( 'pmpro_is_level_expiring_soon', 'show_renewal_link_after_X_days', 10, 2 );