public function saveLever(\MaBandit\Lever $lever)
{
if (!array_key_exists($lever->experiment, $this->_levers) or !is_array($this->_levers[$lever->experiment])) {
$this->_levers[$lever->experiment] = array();
}
$this->_levers[$lever->experiment][$lever->getValue()] = $lever;
return $lever;
}
/**
* Calculate stats for one lever
*
* @since 0.4.0
*
* @access protected
*
* @param \MaBandit\Lever $lever
*/
protected function lever_stats($lever)
{
$this->stats['variants'][$lever->getValue()] = new stats($lever->getDenominator(), $lever->getNumerator(), $lever->getConversionRate());
}