public void waitUntilCountChanges() {
        WebDriverWait wait = new WebDriverWait(getDriver(), 5);
        wait.until(new ExpectedCondition<Boolean>() {
            public Boolean apply(WebDriver driver) {
                int elementCount = driver.findElement(By.xpath("xxxx")).size();
                if (elementCount > 1)
                    return true;
                else
                    return false;
            }
        });
    }

public function spin ($lambda, $wait = 60) {
    for ($i = 0; $i < $wait; $i++) {
        try {
            if ($lambda($this)) {
                return true;
            }
        } catch (Exception $e) {
            // do nothing
        }

        sleep(1);
    }

    $backtrace = debug_backtrace();

    throw new Exception(
        "Timeout thrown by " . $backtrace[1]['class'] . "::" . $backtrace[1]['function'] . "()n" .
        $backtrace[1]['file'] . ", line " . $backtrace[1]['line']
    );
}

$this->spin(function($context) {
    return ($context->getSession()->getPage()->findById('example')->isVisible());
 });

start_time=now
count=number of elements
while count < X:
  count=number of elements
  if now - start_time > timeout
    exit loop