13.3. Zend_Mime_Part
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## 13.3. Zend_Mime_Part

### 13.3.1. Introduction

This class represents a single part of a MIME message. It contains the actual content of the message part plus information about its encoding, content type and original filename. It provides a method for generating a string from the stored data. `Zend_Mime_Part` objects can be added to `Zend_Mime_Message` to assemble a complete multipart message.

### 13.3.2. Instantiation

`Zend_Mime_Part` is instantiated with a string that represents the content of the new part. The type is assumed to be OCTET-STREAM, encoding is 8Bit. After instantiating a `Zend_Mime_Part`, meta information can be set by accessing its attributes directly:

    <?php
    public $type = ZMime::TYPE_OCTETSTREAM;
    public $encoding = ZMime::ENCODING_8BIT;
    public $id;
    public $disposition;
    public $filename;
    public $description;
    public $charset;
    ?>

### 13.3.3. Methods for rendering the message part to a string

`->getContent()` returns the encoded content of the MimePart as a string using the encoding specified in the attribute $encoding. Valid values are ZMime::ENCODING_* Characterset conversions are not performed.

`->getHeaders()` returns the Mime-Headers for the MimePart as generated from the information in the publicly accessable attributes. The attributes of the object need to be set correctly before this method is called.

- `$charset` has to be set to the actual charset of the content if it is a text type (Text or HTML).
- `$id` may be set to identify a content-id for inline images in a HTML mail.
- `$filename` contains the name the file will get when downloading it.
- `$disposition` defines if the file should be treated as an attachment or if it is used inside the (HTML-) mail (inline).
- `$description` is only used for informational purposes.

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