VersionPress\Database\DbSchemaInfo::getIntervalsForFrequentlyWrittenEntities PHP Method

    public function getIntervalsForFrequentlyWrittenEntities()
    {
        $rulesByEntity = $this->getRulesForFrequentlyWrittenEntities();
        $intervals = [];
        foreach ($rulesByEntity as $rules) {
            foreach ($rules as $rule) {
                $intervals[] = $rule['interval'];
            }
        }
        return array_unique($intervals);
    }