Введение
    PHP Manual
    PHP Manual»HRTime»HRTime\PerformanceCounter

    Класс HRTime\PerformanceCounter

    (PECL hrtime >= 0.4.3)

    class HRTime\PerformanceCounter {
    /* Методы */
    public static function getFrequency(): int
    public static function getTicks(): int
    public static function getTicksSince(int $start): int
    }

    Содержание

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