Limit Shown Posts with Paid Memberships Pro Series Add On

limit-posts-pmpro-series.php

<?php
function my_pmpro_series_limit_posts_shown( $post_list, $series_object ) {
	if ( ! is_user_logged_in() ) {
		return $post_list;
	}
	global $current_user;
	$member_days = pmpro_getMemberDays( $current_user->ID );
	$posts_to_display = array();
	foreach ( $post_list as $sp ) {
		$posts_to_display[] = $sp;
		if ( max( 0, $member_days ) < $sp->delay ) {
			break;
		}
	}
	return $posts_to_display;
}
add_filter( 'pmpro_series_post_list_posts', 'my_pmpro_series_limit_posts_shown', 10, 2 );