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<?php
/**
* Matomo - free/libre analytics platform
*
* @link https://matomo.org
* @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*/
namespace Piwik\Plugins\CoreHome\Columns\Metrics;
use Piwik\Columns\Dimension;
use Piwik\DataTable\Row;
use Piwik\Metrics\Formatter;
use Piwik\Piwik;
use Piwik\Plugin\ProcessedMetric;
/**
* The percent of visits that result in a conversion. Calculated as:
*
* nb_visits_converted / nb_visits
*
* nb_visits_converted & nb_visits are calculated by the archiving process.
*/
class ConversionRate extends ProcessedMetric
{
public function getName()
{
return 'conversion_rate';
}
public function getTranslatedName()
{
return Piwik::translate('General_ColumnConversionRate');
}
public function getDependentMetrics()
{
return array('nb_visits_converted', 'nb_visits');
}
public function format($value, Formatter $formatter)
{
return $formatter->getPrettyPercentFromQuotient($value);
}
public function compute(Row $row)
{
$nbVisitsConverted = $this->getMetric($row, 'nb_visits_converted');
$nbVisits = $this->getMetric($row, 'nb_visits');
return Piwik::getQuotientSafe($nbVisitsConverted, $nbVisits, $precision = 4);
}
public function getSemanticType(): ?string
{
return Dimension::TYPE_PERCENT;
}
}
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