/** * Вычисление разницы между двумя метками времени * * @param string $a начальная метка * @param string $b конечная метка * @return int время между метками */
/ ** * Calculate the difference between two timestamps * * @ param string $ a start tag * @ param string $ b end label * @ return int time between the marks * /
/* * * Calculate the difference between two timestamps * * @param string $a the initial label * @param string $b the ultimate label * @return int time between marks */
/ ** * calculating difference between the two marks on the time * * @param string $a starting mark * @param string $b the ultimate mark * @return int the time between the marks * /