FilterList(function ($oAttachment) { return $oAttachment && $oAttachment->IsInline(); }); return \is_array($aList) ? \count($aList) : 0; } /** * @return int */ public function NonInlineCount() { $aList = $this->FilterList(function ($oAttachment) { return $oAttachment && !$oAttachment->IsInline(); }); return \is_array($aList) ? \count($aList) : 0; } }