Notification bar when post views are being tracked and restricted by the Limit Post Views Add On

add_notification_bar_for_limit_post_view.php

<?php
/**
 * Notification bar when post views are being tracked and restricted by the Limit Post Views Add On
 */
function add_notification_bar_for_limit_post_view() {
	// check for past views and if we are on a single page. needs to check if the post is locked at all by default.
	if ( ! empty( $_COOKIE['pmpro_lpv_count'] ) && is_single() ) {
		global $current_user;

		// Check cookie for views value.
		$parts = explode( ';', sanitize_text_field( $_COOKIE['pmpro_lpv_count'] ) );
		$limitparts = explode( ',', $parts[0] );

		// Get the level limit for the current user.
		if ( defined( 'PMPRO_LPV_LIMIT' ) && PMPRO_LPV_LIMIT > 0 ) {
			$limit = intval( PMPRO_LPV_LIMIT );
			$remaining_views = $limit - ($limitparts[1] + 1);
			$f = new NumberFormatter( 'en', NumberFormatter::SPELLOUT );
			?>
			<div style="background: #d4f1df; bottom: 0; font-size: 2.5rem; left: 0; padding: 1em; position: fixed; width: 100%; ">
				You have <span style="color: #B00000;"><?php echo esc_html( $f->format( $remaining_views ) ); ?></span>
				free article<?php if ( $remaining_views > 1 ) { echo 's'; } ?> 
				remaining. <a href="<?php echo wp_login_url( get_permalink() ); ?>" title="Log in">Log in</a> or <a href="<?php echo pmpro_url( 'levels' ); ?>" title="Subscribe now">Subscribe</a> now for unlimited online access.
			</div>
			<?php
		}
	}
}
add_action( 'wp_footer' , 'add_notification_bar_for_limit_post_view', 15 );

This recipe is included in the blog post on "Improve the user experience (and increase signups) when using the Limit Post Views Add On" at Paid Memberships Pro here: https://www.paidmembershipspro.com/improve-the-user-experience-and-increase-signups-when-using-the-limit-post-views-add-on/