sfPropelData::doDeleteCurrentData PHP Method

    protected function doDeleteCurrentData($files)
    {
        // delete all current datas in database
        if (!$this->deleteCurrentData) {
            return;
        }
        rsort($files);
        foreach ($files as $file) {
            $data = sfYaml::load($file);
            if ($data === null) {
                // no data
                continue;
            }
            $classes = array_keys($data);
            foreach (array_reverse($classes) as $class) {
                $class = trim($class);
                if (in_array($class, $this->deletedClasses)) {
                    continue;
                }
                // Check that peer class exists before calling doDeleteAll()
                $peerClass = constant($class . '::PEER');
                if (!class_exists($peerClass)) {
                    throw new InvalidArgumentException(sprintf('Unknown class "%sPeer".', $class));
                }
                $this->log(sprintf('deleting data from %s', $class));
                // bypass the soft_delete behavior if enabled
                $deleteMethod = method_exists($peerClass, 'doForceDeleteAll') ? 'doForceDeleteAll' : 'doDeleteAll';
                call_user_func(array($peerClass, $deleteMethod), $this->con);
                $this->deletedClasses[] = $class;
            }
        }
    }