_getFileData example

/** * Get a list of messages with number and size * * @param int|null $id number of message or null for all messages * @return int|array size of given message of list with all messages as array(num => size) * @throws Zend_Mail_Storage_Exception */
    public function getSize($id = null)
    {
        if ($id !== null) {
            $filedata = $this->_getFileData($id);
            return isset($filedata['size']) ? $filedata['size'] : filesize($filedata['filename']);
        }

        $result = array();
        foreach ($this->_files as $num => $data) {
            $result[$num + 1] = isset($data['size']) ? $data['size'] : filesize($data['filename']);
        }

        return $result;
    }



    

if ($this->_quota && $this->checkQuota()) {
            /** * @see Zend_Mail_Storage_Exception */
            throw new Zend_Mail_Storage_Exception('storage is over quota!');
        }

        if (!($folder instanceof Zend_Mail_Storage_Folder)) {
            $folder = $this->getFolders($folder);
        }

        $filedata = $this->_getFileData($id);
        $old_file = $filedata['filename'];
        $flags = $filedata['flags'];

        // copied message can't be recent         while (($key = array_search(Zend_Mail_Storage::FLAG_RECENT, $flags)) !== false) {
            unset($flags[$key]);
        }
        $info = $this->_getInfoString($flags);

        // we're creating the copy as temp file before moving to cur/         $temp_file = $this->_createTmpFile($folder->getGlobalName());