<?php

function getTimeString1()
{
    $keys = [2, 1, 0, 0, 0, 2];
    $timeSigns = ['H','i','s'];
    $hoursSufx = [" часa ", " час ", " часов "];
    $minutesSufx =[" минуты ", " минутa ", " минут "];
    $secondsSufx = [" секунды ", " секунда ", " секунд "];


    $timeHours = (int)date($timeSigns[0]);
    $mod = $timeHours % 10;
    $suffIndx= ($timeHours > 10 && $timeHours < 19) ? 0 : $suffIndx = min($mod, 5);
    $hoursStr = $hoursSufx[$keys[$suffIndx]];

    $timeMinutes= (int)date($timeSigns[1]);
    $mod = $timeMinutes % 10;
    $suffIndx= ($timeMinutes > 10 && $timeMinutes < 19) ? 0 : $suffIndx = min($mod, 5);
    $minsStr = $minutesSufx[$keys[$suffIndx]];

    $timeSeconds = (int)date($timeSigns[2]);
    $mod = $timeSeconds % 10;
    $suffIndx= ($timeSeconds > 10 && $timeSeconds < 19) ? 0 : $suffIndx = min($mod, 5);
    $secStr = $secondsSufx[$keys[$suffIndx]];

    return "{$timeHours} {$hoursStr} {$timeMinutes} {$minsStr} {$timeSeconds} {$secStr}";
}


function getTimeString2()
{
    $keys = [2, 1, 0, 0, 0, 2];
    $timeSigns = ['H', 'i', 's'];

    $sufxArrs = [
        [" часa ", " час ", " часов "],
        [" минуты ", " минутa ", " минут "],
        [" секунды ", " секунда ", " секунд "]
    ];
    $resString = '';

    for ($i = 0; $i < 3; $i++) {
        $timeItem = (int)date($timeSigns[$i]);
        $mod = $timeItem % 10;
        $suffIndx = ($timeItem > 10 && $timeItem < 19) ? 0 : $suffIndx = min($mod, 5);
        $itemStr = $sufxArrs[$i][$keys[$suffIndx]];
        $resString .= "{$timeItem} {$itemStr}";
    }
    return $resString;
}