Class Monitoring Server

Monitoring.php

<?php
declare(strict_types = 1);

namespace Cellmidia\Monitoring;

/**
 * Class Monitoring
 * @package Cellmidia/Monitoring
 *
 * @author Domingos Teruel <mingomax@dteruel.net.br>
 */
class Monitoring
{
    /**
     * @var array
     */
    private $conf;

    /**
     * Monitoring constructor.
     * @param array $conf
     */
    public function __construct(array $conf)
    {
        $this->conf = $conf;
    }

    /**
     * @param string $host
     * @param int $port
     * @return boolean
     */
    private function isServerUp(string $host, int $port): bool
    {
        $hostip = gethostbyname($host);

        if ($hostip == $host) {
            return false;
        }

        if (($x = @fsockopen($hostip, $port, $errno, $errstr, 5)) === false) {
            return false;
        }

        fclose($x);

        return true;
    }

    /**
     * @return boolean
     */
    private function isMysqlUp(): bool
    {
       if(($link = @mysqli_connect($this->conf['db.host'], $this->conf['db.user'], $this->conf['db.password'])) === false){
           return false;
       }

       return true;
    }
}