public function getRemainedAllowedUnits($intNumberOfUnits = null) { if (!isset($intNumberOfUnits)) { $oNumberOfUnits = AmazonAutoLinks_WPUtilities::countPosts(AmazonAutoLinks_Commons::PostTypeSlug); $intNumberOfUnits = $oNumberOfUnits->publish + $oNumberOfUnits->private + $oNumberOfUnits->trash; } return 3 - $intNumberOfUnits; }