php - Debug bar doubling up on queries?

I'm slightly confused by the CI4 debug bar. I've noticed that for some reason it is doubling up on all queries which appear in the output, even though when I go into the MySQLi query and look atexecute() or the /system/4.1.1/Events/Events.php and modify thetrigger() function I only see what I expect (aka the correct number):

public static function trigger($eventName, ...$arguments): bool
{
    // Read in our Config/Events file so that we have them all!
    if (! static::$initialized)
    {
        static::initialize();
    }

    $listeners = static::listeners($eventName);

    if ($eventName == 'DBQuery'){
        foreach ($arguments as $obj){
            print'<pre>';print_r($obj->getOriginalQuery());print'</pre>';
        }
    }

    foreach ($listeners as $listener)
    {
        $start = microtime(true);

        $result = static::$simulate === false ? call_user_func($listener, ...$arguments) : true;

        if (CI_DEBUG)
        {
            static::$performanceLog[] = [
                'start' => $start,
                'end'   => microtime(true),
                'event' => strtolower($eventName),
            ];
        }

        if ($result === false)
        {
            return false;
        }
    }

    return true;
}
Copy code

Is the debug bar doing something else in the background that would explain why its reporting double? Or is it a bug?

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