myaac/system/counter.php

<?php
/**
 * Page views counter
 *
 * @package   MyAAC
 * @author    Slawkens <slawkens@gmail.com>
 * @copyright 2019 MyAAC
 * @link      https://my-aac.org
 */

use MyAAC\Cache\Cache;

defined('MYAAC') or die('Direct access not allowed!');
define('COUNTER_SYNC', 10); // how often counter is synchronized with database (each x site refreshes)

$views_counter = 1; // default value, must be here!

$cache = Cache::getInstance();
if($cache->enabled())
{
	$value = 0;
	if(!$cache->fetch('views_counter', $value) || $value <= 1)
	{
		$value = 0;
		if(fetchDatabaseConfig('views_counter', $value))
			$views_counter = $value;
		else
			registerDatabaseConfig('views_counter', 2); // save in the database
	}
	else {
		$views_counter = $value;
	}

	$cache->set('views_counter', ++$views_counter, 60 * 60);
	if($views_counter > 1 && ($views_counter % COUNTER_SYNC) == 0) // sync with database
		updateDatabaseConfig('views_counter', $views_counter);
/*
	{
		$cache->set('views_counter', 1);

		$value = 0;
		if(fetchDatabaseConfig('views_counter', $value))
			$views_counter += $value;
	}*/
}
else
{
	$value = 0;
	if(!fetchDatabaseConfig('views_counter', $value))
		registerDatabaseConfig('views_counter', 1); // save in the database
	else
	{
		$views_counter = $value + 1;
		updateDatabaseConfig('views_counter', $views_counter); // update counter
	}
}