Zend File Transfer Adapter

gistfile1.php

<?php

            $adapter  = new Http();
            $tmpPath  = 'data/tmp/';
            $filename = $adapter->getFileName(null, false);

            $adapter->setDestination($tmpPath)
                    ->addValidator($extensionValidator)
                    ->addValidator('Size', false, '10MB')
                    ->addValidator('Count', false, 1, 1)
                    ->addFilter('Rename', $tmpPath . uniqid());

            if (!$adapter->receive()) {
                return $this->error($adapter->getMessages());
            }

            $fileinfo = $adapter->getFileInfo();
            $mimeType = $fileinfo['upfile']['type'];
            $data = file_get_contents($fileinfo['upfile']['tmp_name']);

            return  $this->createAttachment(array(
                'attachment' => array(
                    'filename'  => $filename,
                    'mimetype'  => $mimeType,
                    'data'      => $data,
                )
            ));