src/DefaultClock.php
public static function get() : Clock
    {
        if (self::$clock === null) {
            self::$clock = new SystemClock();
        }

        return self::$clock;
    }
public static function get() : Clock
    {
        if (self::$clock === null) {
            self::$clock = new SystemClock();
        }

        return self::$clock;
    }
public static function get ( ) : Clock { if ( self :: $ clock === null ) { self :: $ clock = new SystemClock ( ) ; } return self :: $ clock ; }
Gets the default clock.

@return Clock
Gets the default clock .