php get server info (+shared-host) without use COM

php_get_server_info.php

<?php
/*
Saeed Abdollahian

Telegram:
https://t.me/PhpWebDeveloper
*/
function getServerLoad()
{
    $load = 0;
    if (function_exists('sys_getloadavg')) {
        $sysLoad = sys_getloadavg();
        $load = $sysLoad[0];
        return $load;
    } else {
        if (stristr(PHP_OS, 'win')) {
            $typeperfCounter = '\processor(_total)\% processor time';
            exec('typeperf -sc 1 "' . $typeperfCounter . '"', $output);
            $line = explode(',', $output[2]);
            $load = trim($line[1], '"');
            
            //or use
            //exec('wmic cpu get loadpercentage /all', $output);
            //$load = $output[1];
            
        } else {
            $procInfo = file('/proc/loadavg');
            if (isset($procInfo[0])) {
                $procInfo = explode(' ', $procInfo[0]);
                $load = round(($procInfo[0] + $procInfo[1] + $procInfo[2]) / 3);
            }
        }
    }

    return $load;
}
function getServerMemoryInfo(){

    $mem_info =[];
    $mem_info['script_usage'] = memory_get_usage();
    $mem_info['limit'] = ini_get('memory_limit');

    if (stristr(PHP_OS, 'win')) {
        exec('wmic ComputerSystem get TotalPhysicalMemory', $totalMemory);
        $mem_info['total'] = $totalMemory[1];
        unset($totalMemory);

        exec('wmic OS get FreePhysicalMemory /Value 2>&1', $freePhysicalMemory);
        $mem_info['free'] = getNumericsFromString($freePhysicalMemory[2])[0];
        unset($freePhysicalMemory);

        $mem_info['total_usage'] = $mem_info['total']-$mem_info['free'];

    }else{
        $proc_info = file('/proc/meminfo');
        if (isset($proc_info[0])) {
            $mem_info['total'] = getNumericsFromString($proc_info[0])[0]*1024;
            $mem_info['free'] = getNumericsFromString($proc_info[1])[0]*1024;
           
        }


    }
    return $mem_info;
}

function getServerUptime(){
    $uptime = 0;
    if (stristr(PHP_OS, 'win')) {
        exec('wmic OS get LastBootUpTime /Value 2>&1', $lastBootUpTime);
        $uptime = getNumericsFromString($lastBootUpTime[2])[0];
    }else{
        $proc_info = file('/proc/uptime');
        if (isset($proc_info[0])) {
            $uptime = getNumericsFromString($proc_info[0])[0];
        }
    }
    return $uptime;
}
function getNumericsFromString($str) {
    preg_match_all('/\d+/', $str, $matches);
    return $matches[0];
}