<?xml version="1.0" encoding="UTF-8"?>
<!-- Reviewed: no -->
<sect1 id="zend.mail.read">
    <title>Reading Mail Messages</title>

    <para>
        <classname>Zend_Mail</classname> can read mail messages from several local or remote mail storages. All of them have the
        same basic API to count and fetch messages and some of them implement additional interfaces for not so common
        features. For a feature overview of the implemented storages see the following table.
    </para>

    <table id="zend.mail.read.table-1">
        <title>Mail Read Feature Overview</title>
        <tgroup cols="5">
            <thead>
                <row>
                    <entry>Feature</entry>
                    <entry>Mbox</entry>
                    <entry>Maildir</entry>
                    <entry>Pop3</entry>
                    <entry>IMAP</entry>
                </row>
            </thead>
            <tbody>
                <row>
                    <entry>Storage type</entry>
                    <entry>local</entry>
                    <entry>local</entry>
                    <entry>remote</entry>
                    <entry>remote</entry>
                </row>
                <row>
                    <entry>Fetch message</entry>
                    <entry>Yes</entry>
                    <entry>Yes</entry>
                    <entry>Yes</entry>
                    <entry>Yes</entry>
                </row>
                <row>
                    <entry>Fetch MIME-part</entry>
                    <entry>emulated</entry>
                    <entry>emulated</entry>
                    <entry>emulated</entry>
                    <entry>emulated</entry>
                </row>
                <row>
                    <entry>Folders</entry>
                    <entry>Yes </entry>
                    <entry>Yes</entry>
                    <entry>No</entry>
                    <entry>Yes</entry>
                </row>
                <row>
                    <entry>Create message/folder</entry>
                    <entry>No</entry>
                    <entry>todo</entry>
                    <entry>No</entry>
                    <entry>todo</entry>
                </row>
                <row>
                    <entry>Flags</entry>
                    <entry>No</entry>
                    <entry>Yes</entry>
                    <entry>No</entry>
                    <entry>Yes</entry>
                </row>
                <row>
                    <entry>Quota</entry>
                    <entry>No</entry>
                    <entry>Yes</entry>
                    <entry>No</entry>
                    <entry>No</entry>
                </row>
            </tbody>
        </tgroup>
    </table>

    <sect2 id="zend.mail.read-example">
        <title>Simple example using Pop3</title>

        <programlisting role="php"><![CDATA[
$mail = new Zend_Mail_Storage_Pop3(array('host'     => 'localhost',
                                         'user'     => 'test',
                                         'password' => 'test'));

echo $mail->countMessages() . " messages found\n";
foreach ($mail as $message) {
    echo "Mail from '{$message->from}': {$message->subject}\n";
}
]]></programlisting>

    </sect2>
    <sect2 id="zend.mail.read-open-local">
        <title>Opening a local storage</title>

        <para>
            Mbox and Maildir are the two supported formats for local mail storages, both in their most simple formats.
        </para>
        <para>
            If you want to read from a Mbox file you only need to give the filename to the constructor of
            <classname>Zend_Mail_Storage_Mbox</classname>:
        </para>

        <programlisting role="php"><![CDATA[
$mail = new Zend_Mail_Storage_Mbox(array('filename' =>
                                             '/home/test/mail/inbox'));
]]></programlisting>

        <para>Maildir is very similar but needs a dirname:</para>

        <programlisting role="php"><![CDATA[
$mail = new Zend_Mail_Storage_Maildir(array('dirname' =>
                                                '/home/test/mail/'));
]]></programlisting>

        <para>Both constructors throw a <classname>Zend_Mail_Exception</classname> if the storage can't be read.</para>

    </sect2>
    <sect2 id="zend.mail.read-open-remote">
        <title>Opening a remote storage</title>

        <para>
            For remote storages the two most popular protocols are supported: Pop3 and Imap. Both need at least a host
            and a user to connect and login. The default password is an empty string, the default port as given in the
            protocol RFC.
        </para>

        <programlisting role="php"><![CDATA[
// connecting with Pop3
$mail = new Zend_Mail_Storage_Pop3(array('host'     => 'example.com',
                                         'user'     => 'test',
                                         'password' => 'test'));

// connecting with Imap
$mail = new Zend_Mail_Storage_Imap(array('host'     => 'example.com',
                                         'user'     => 'test',
                                         'password' => 'test'));

// example for a none standard port
$mail = new Zend_Mail_Storage_Pop3(array('host'     => 'example.com',
                                         'port'     => 1120
                                         'user'     => 'test',
                                         'password' => 'test'));
]]></programlisting>

        <para>
            For both storages SSL and TLS are supported. If you use SSL the default port changes as given in the RFC.
        </para>

        <programlisting role="php"><![CDATA[
// examples for Zend_Mail_Storage_Pop3, same works for Zend_Mail_Storage_Imap

// use SSL on different port (default is 995 for Pop3 and 993 for Imap)
$mail = new Zend_Mail_Storage_Pop3(array('host'     => 'example.com',
                                         'user'     => 'test',
                                         'password' => 'test',
                                         'ssl'      => 'SSL'));

// use TLS
$mail = new Zend_Mail_Storage_Pop3(array('host'     => 'example.com',
                                         'user'     => 'test',
                                         'password' => 'test',
                                         'ssl'      => 'TLS'));
]]></programlisting>

        <para>
            Both constructors can throw <classname>Zend_Mail_Exception</classname> or <classname>Zend_Mail_Protocol_Exception</classname>
            (extends <classname>Zend_Mail_Exception</classname>), depending on the type of error.
        </para>

    </sect2>
    <sect2 id="zend.mail.read-fetching">
        <title>Fetching messages and simple methods</title>

        <para>
            Messages can be fetched after you've opened the storage . You need the message number, which is a counter
            starting with 1 for the first message. To fetch the message, you use the method <code>getMessage()</code>:
        </para>

        <programlisting role="php"><![CDATA[
$message = $mail->getMessage($messageNum);
]]></programlisting>

        <para>
            Array access is also supported, but this access method won't supported any additional parameters that could be added to
            <code>getMessage()</code>. As long as you don't mind, and can live with the default values, you may use:
        </para>

        <programlisting role="php"><![CDATA[
$message = $mail[$messageNum];
]]></programlisting>

        <para>For iterating over all messages the Iterator interface is implemented:</para>

        <programlisting role="php"><![CDATA[
foreach ($mail as $messageNum => $message) {
    // do stuff ...
}
]]></programlisting>

        <para>
            To count the messages in the storage, you can either use the method <code>countMessages()</code> or use array
            access:
        </para>

        <programlisting role="php"><![CDATA[
// method
$maxMessage = $mail->countMessages();

// array access
$maxMessage = count($mail);
]]></programlisting>

        <para>To remove a mail, you use the method <code>removeMessage()</code> or again array access:</para>

        <programlisting role="php"><![CDATA[
// method
$mail->removeMessage($messageNum);

// array access
unset($mail[$messageNum]);
]]></programlisting>

    </sect2>
    <sect2 id="zend.mail.read-message">
        <title>Working with messages</title>

        <para>After you fetch the messages with <code>getMessage()</code> you want to fetch headers, the content
        or single parts of a multipart message. All headers can be accessed via properties or the method
        <code>getHeader()</code> if you want more control or have unusual header names. The header names are
        lower-cased internally, thus the case of the header name in the mail message doesn't matter. Also headers
        with a dash can be written in camel-case. If no header is found for both notations an exception is thrown.
        To encounter this the method <code>headerExists()</code> can be used to check the existance of a header.</para>

        <programlisting role="php"><![CDATA[
// get the message object
$message = $mail->getMessage(1);

// output subject of message
echo $message->subject . "\n";

// get content-type header
$type = $message->contentType;

// check if CC isset:
if( isset($message->cc) ) { // or $message->headerExists('cc');
    $cc = $message->cc;
}
]]></programlisting>

        <para>If you have multiple headers with the same name- i.e. the Received headers- you might want an array
        instead of a string. In this case, use the <code>getHeader()</code> method.</para>

        <programlisting role="php"><![CDATA[
// get header as property - the result is always a string,
// with new lines between the single occurrences in the message
$received = $message->received;

// the same via getHeader() method
$received = $message->getHeader('received', 'string');

// better an array with a single entry for every occurrences
$received = $message->getHeader('received', 'array');
foreach ($received as $line) {
    // do stuff
}

// if you don't define a format you'll get the internal representation
// (string for single headers, array for multiple)
$received = $message->getHeader('received');
if (is_string($received)) {
    // only one received header found in message
}
]]></programlisting>

        <para>The method <code>getHeaders()</code> returns all headers as array with the lower-cased name as
        key and the value as and array for multiple headers or as string for single headers.</para>

        <programlisting role="php"><![CDATA[
// dump all headers
foreach ($message->getHeaders() as $name => $value) {
    if (is_string($value)) {
        echo "$name: $value\n";
        continue;
    }
    foreach ($value as $entry) {
        echo "$name: $entry\n";
    }
}
]]></programlisting>

        <para>If you don't have a multipart message, fetching the content is easily done via
        <code>getContent()</code>. Unlike the headers, the content is only fetched when needed (aka late-fetch).</para>

        <programlisting role="php"><![CDATA[
// output message content for HTML
echo '<pre>';
echo $message->getContent();
echo '</pre>';
]]></programlisting>

        <para>Checking for multipart messages is done with the method <code>isMultipart()</code>. If you have
        multipart message you can get an instance of <classname>Zend_Mail_Part</classname> with the method
        <code>getPart()</code>. <classname>Zend_Mail_Part</classname> is the base class of <classname>Zend_Mail_Message</classname>,
        so you have the same methods: <code>getHeader()</code>, <code>getHeaders()</code>, <code>getContent()</code>,
        <code>getPart()</code>, <code>isMultipart</code> and the properties for headers.</para>

        <programlisting role="php"><![CDATA[
// get the first none multipart part
$part = $message;
while ($part->isMultipart()) {
    $part = $message->getPart(1);
}
echo 'Type of this part is ' . strtok($part->contentType, ';') . "\n";
echo "Content:\n";
echo $part->getContent();
]]></programlisting>

        <para><classname>Zend_Mail_Part</classname> also implements <code>RecursiveIterator</code>, which makes it easy to scan through all parts. And
        for easy output, it also implements the magic method <code>__toString()</code>, which returns the content.</para>

        <programlisting role="php"><![CDATA[
// output first text/plain part
$foundPart = null;
foreach (new RecursiveIteratorIterator($mail->getMessage(1)) as $part) {
    try {
        if (strtok($part->contentType, ';') == 'text/plain') {
            $foundPart = $part;
            break;
        }
    } catch (Zend_Mail_Exception $e) {
        // ignore
    }
}
if (!$foundPart) {
    echo 'no plain text part found';
} else {
    echo "plain text part: \n" . $foundPart;
}
]]></programlisting>

    </sect2>
    <sect2 id="zend.mail.read-flags">
        <title>Checking for flags</title>

        <para>Maildir and IMAP support storing flags. The class <classname>Zend_Mail_Storage</classname> has constants for all known
        maildir and IMAP system flags, named <classname>Zend_Mail_Storage::FLAG_&lt;flagname&gt;</classname>. To check
        for flags <classname>Zend_Mail_Message</classname> has a method called <code>hasFlag()</code>. With
        <code>getFlags()</code> you'll get all set flags.</para>

        <programlisting role="php"><![CDATA[
// find unread messages
echo "Unread mails:\n";
foreach ($mail as $message) {
    if ($message->hasFlag(Zend_Mail_Storage::FLAG_SEEN)) {
        continue;
    }
    // mark recent/new mails
    if ($message->hasFlag(Zend_Mail_Storage::FLAG_RECENT)) {
        echo '! ';
    } else {
        echo '  ';
    }
    echo $message->subject . "\n";
}


// check for known flags
$flags = $message->getFlags();
echo "Message is flagged as: ";
foreach ($flags as $flag) {
    switch ($flag) {
        case Zend_Mail_Storage::FLAG_ANSWERED:
            echo 'Answered ';
            break;
        case Zend_Mail_Storage::FLAG_FLAGGED:
            echo 'Flagged ';
            break;

        // ...
        // check for other flags
        // ...

        default:
            echo $flag . '(unknown flag) ';
    }
}
]]></programlisting>

        <para>As IMAP allows user or client defined flags, you could get flags that don't have a constant in
        <classname>Zend_Mail_Storage</classname>. Instead, they are returned as strings and can be checked the same way with
        <code>hasFlag()</code>.</para>

        <programlisting role="php"><![CDATA[
// check message for client defined flags $IsSpam, $SpamTested
if (!$message->hasFlag('$SpamTested')) {
    echo 'message has not been tested for spam';
} else if ($message->hasFlag('$IsSpam')) {
    echo 'this message is spam';
} else {
    echo 'this message is ham';
}
]]></programlisting>

    </sect2>
    <sect2 id="zend.mail.read-folders">
        <title>Using folders</title>

        <para>
            All storages, except Pop3, support folders, also called mailboxes. The interface implemented by all storages
            supporting folders is called <classname>Zend_Mail_Storage_Folder_Interface</classname>. Also all of these classes have an
            additional optional parameter called <code>folder</code>, which is the folder selected after login, in the constructor.
        </para>
        <para>
            For the local storages you need to use separate classes called <classname>Zend_Mail_Storage_Folder_Mbox</classname> or
            <classname>Zend_Mail_Storage_Folder_Maildir</classname>. Both need one parameter called <code>dirname</code> with the name of the base dir.
            The format for maildir is as defined in maildir++ (with a dot as default delimiter), Mbox is a directory
            hierarchy with Mbox files. If you don't have a Mbox file called INBOX in your Mbox base dir you need to set
            another folder in the constructor.
        </para>
        <para>
            <classname>Zend_Mail_Storage_Imap</classname> already supports folders by default. Examples for opening these storages:
        </para>

        <programlisting role="php"><![CDATA[
// mbox with folders
$mail = new Zend_Mail_Storage_Folder_Mbox(array('dirname' =>
                                                    '/home/test/mail/'));

// mbox with a default folder not called INBOX, also works
// with Zend_Mail_Storage_Folder_Maildir and Zend_Mail_Storage_Imap
$mail = new Zend_Mail_Storage_Folder_Mbox(array('dirname' =>
                                                    '/home/test/mail/',
                                                'folder'  =>
                                                    'Archive'));

// maildir with folders
$mail = new Zend_Mail_Storage_Folder_Maildir(array('dirname' =>
                                                       '/home/test/mail/'));

// maildir with colon as delimiter, as suggested in Maildir++
$mail = new Zend_Mail_Storage_Folder_Maildir(array('dirname' =>
                                                       '/home/test/mail/',
                                                   'delim'   => ':'));

// imap is the same with and without folders
$mail = new Zend_Mail_Storage_Imap(array('host'     => 'example.com',
                                         'user'     => 'test',
                                         'password' => 'test'));
]]></programlisting>

        <para>
            With the method getFolders($root = null) you can get the folder hierarchy starting with the root folder or
            the given folder. It's returned as an instance of <classname>Zend_Mail_Storage_Folder</classname>, which implements
            <code>RecursiveIterator</code> and all children are also instances of <classname>Zend_Mail_Storage_Folder</classname>. Each of
            these instances has a local and a global name returned by the methods <code>getLocalName()</code> and
            <code>getGlobalName()</code>. The global name is the absolute name from the root folder (including
            delimiters), the local name is the name in the parent folder.
        </para>

        <table id="zend.mail.read-folders.table-1">
            <title>Mail Folder Names</title>
            <tgroup cols="2">
                <thead>
                    <row>
                        <entry>Global Name</entry>
                        <entry>Local Name</entry>
                    </row>
                </thead>
                <tbody>
                    <row>
                        <entry>/INBOX</entry>
                        <entry>INBOX</entry>
                    </row>
                    <row>
                        <entry>/Archive/2005</entry>
                        <entry>2005</entry>
                    </row>
                    <row>
                        <entry>List.ZF.General</entry>
                        <entry>General</entry>
                    </row>
                </tbody>
            </tgroup>
        </table>

        <para>
            If you use the iterator, the key of the current element is the local name. The global name is also returned
            by the magic method <code>__toString()</code>. Some folders may not be selectable, which means they can't
            store messages and selecting them results in an error. This can be checked with the method
            <code>isSelectable()</code>. So it's very easy to output the whole tree in a view:
        </para>

        <programlisting role="php"><![CDATA[
$folders = new RecursiveIteratorIterator($this->mail->getFolders(),
                                         RecursiveIteratorIterator::SELF_FIRST);
echo '<select name="folder">';
foreach ($folders as $localName => $folder) {
    $localName = str_pad('', $folders->getDepth(), '-', STR_PAD_LEFT) .
                 $localName;
    echo '<option';
    if (!$folder->isSelectable()) {
        echo ' disabled="disabled"';
    }
    echo ' value="' . htmlspecialchars($folder) . '">'
        . htmlspecialchars($localName) . '</option>';
}
echo '</select>';
]]></programlisting>

        <para>
            The current selected folder is returned by the method <code>getSelectedFolder()</code>. Changing the folder
            is done with the method <code>selectFolder()</code>, which needs the global name as parameter. If you want
            to avoid to write delimiters you can also use the properties of a <classname>Zend_Mail_Storage_Folder</classname> instance:
        </para>

        <programlisting role="php"><![CDATA[
// depending on your mail storage and its settings $rootFolder->Archive->2005
// is the same as:
//   /Archive/2005
//  Archive:2005
//  INBOX.Archive.2005
//  ...
$folder = $mail->getFolders()->Archive->2005;
echo 'Last folder was '
   . $mail->getSelectedFolder()
   . "new folder is $folder\n";
$mail->selectFolder($folder);
]]></programlisting>

    </sect2>
    <sect2 id="zend.mail.read-advanced">
        <title>Advanced Use</title>

        <sect3 id="zend.mail.read-advanced.noop">
            <title>Using NOOP</title>

            <para>
                If you're using a remote storage and have some long tasks you might need to keep the connection alive
                via noop:
            </para>

            <programlisting role="php"><![CDATA[
foreach ($mail as $message) {

    // do some calculations ...

    $mail->noop(); // keep alive

    // do something else ...

    $mail->noop(); // keep alive
}
]]></programlisting>

        </sect3>
        <sect3 id="zend.mail.read-advanced.caching">
            <title>Caching instances</title>

            <para>
            <classname>Zend_Mail_Storage_Mbox</classname>, <classname>Zend_Mail_Storage_Folder_Mbox</classname>, <classname>Zend_Mail_Storage_Maildir</classname> and
            <classname>Zend_Mail_Storage_Folder_Maildir</classname> implement the magic methods <code>__sleep()</code> and
            <code>__wakeup()</code>, which means they are serializable. This avoids parsing the files or directory tree
            more than once. The disadvantage is that your Mbox or Maildir storage should not change. Some easy checks
            may be done, like reparsing the current Mbox file if the modification time changes, or reparsing the folder
            structure if a folder has vanished (which still results in an error, but you can search for another folder
            afterwards). It's better if you have something like a signal file for changes and check it before using the
            cached instance.
            </para>

            <programlisting role="php"><![CDATA[
// there's no specific cache handler/class used here,
// change the code to match your cache handler
$signal_file = '/home/test/.mail.last_change';
$mbox_basedir = '/home/test/mail/';
$cache_id = 'example mail cache ' . $mbox_basedir . $signal_file;

$cache = new Your_Cache_Class();
if (!$cache->isCached($cache_id) ||
    filemtime($signal_file) > $cache->getMTime($cache_id)) {
    $mail = new Zend_Mail_Storage_Folder_Pop3(array('dirname' =>
                                                        $mbox_basedir));
} else {
    $mail = $cache->get($cache_id);
}

// do stuff ...

$cache->set($cache_id, $mail);
]]></programlisting>

        </sect3>
        <sect3 id="zend.mail.read-advanced.extending">
            <title>Extending Protocol Classes</title>

            <para>
                Remote storages use two classes: <classname>Zend_Mail_Storage_&lt;Name&gt;</classname> and
                <classname>Zend_Mail_Protocol_&lt;Name&gt;</classname>. The protocol class translates the protocol commands and
                responses from and to PHP, like methods for the commands or variables with different structures for
                data. The other/main class implements the common interface.
            </para>

            <para>
                If you need additional protocol features, you can extend the protocol class and use it in the
                constructor of the main class. As an example, assume we need to knock different ports before we can
                connect to POP3.
            </para>

            <programlisting role="php"><![CDATA[
class Example_Mail_Exception extends Zend_Mail_Exception
{
}

class Example_Mail_Protocol_Exception extends Zend_Mail_Protocol_Exception
{
}

class Example_Mail_Protocol_Pop3_Knock extends Zend_Mail_Protocol_Pop3
{
    private $host, $port;

    public function __construct($host, $port = null)
    {
        // no auto connect in this class
        $this->host = $host;
        $this->port = $port;
    }

    public function knock($port)
    {
        $sock = @fsockopen($this->host, $port);
        if ($sock) {
            fclose($sock);
        }
    }

    public function connect($host = null, $port = null, $ssl = false)
    {
        if ($host === null) {
            $host = $this->host;
        }
        if ($port === null) {
            $port = $this->port;
        }
        parent::connect($host, $port);
    }
}

class Example_Mail_Pop3_Knock extends Zend_Mail_Storage_Pop3
{
    public function __construct(array $params)
    {
        // ... check $params here! ...
        $protocol = new Example_Mail_Protocol_Pop3_Knock($params['host']);

        // do our "special" thing
        foreach ((array)$params['knock_ports'] as $port) {
            $protocol->knock($port);
        }

        // get to correct state
        $protocol->connect($params['host'], $params['port']);
        $protocol->login($params['user'], $params['password']);

        // initialize parent
        parent::__construct($protocol);
    }
}

$mail = new Example_Mail_Pop3_Knock(array('host'        => 'localhost',
                                          'user'        => 'test',
                                          'password'    => 'test',
                                          'knock_ports' =>
                                              array(1101, 1105, 1111)));
]]></programlisting>

            <para>
                As you see, we always assume we're connected, logged in and, if supported, a folder is selected in the
                constructor of the main class. Thus if you assign your own protocol class, you always need to make sure
                that's done or the next method will fail if the server doesn't allow it in the current state.
            </para>

        </sect3>
        <sect3 id="zend.mail.read-advanced.quota">
            <title>Using Quota (since 1.5)</title>

            <para>
            <classname>Zend_Mail_Storage_Writable_Maildir</classname> has support for Maildir++ quotas. It's disabled by default,
            but it's possible to use it manually, if the automatic checks are not desired (this means
            <code>appendMessage()</code>, <code>removeMessage()</code> and <code>copyMessage()</code> do no checks
            and do not add entries to the maildirsize file). If enabled, an exception is thrown if you try to write
            to the maildir and it's already over quota.
            </para>

            <para>
            There are three methods used for quotas: <code>getQuota()</code>, <code>setQuota()</code> and
            <code>checkQuota()</code>:
            </para>

            <programlisting role="php"><![CDATA[
$mail = new Zend_Mail_Storage_Writable_Maildir(array('dirname' =>
                                                   '/home/test/mail/'));
$mail->setQuota(true); // true to enable, false to disable
echo 'Quota check is now ', $mail->getQuota() ? 'enabled' : 'disabled', "\n";
// check quota can be used even if quota checks are disabled
echo 'You are ', $mail->checkQuota() ? 'over quota' : 'not over quota', "\n";
]]></programlisting>

            <para>
            <code>checkQuota()</code> can also return a more detailed response:
            </para>

            <programlisting role="php"><![CDATA[
$quota = $mail->checkQuota(true);
echo 'You are ', $quota['over_quota'] ? 'over quota' : 'not over quota', "\n";
echo 'You have ',
     $quota['count'],
     ' of ',
     $quota['quota']['count'],
     ' messages and use ';
echo $quota['size'], ' of ', $quota['quota']['size'], ' octets';
]]></programlisting>

            <para>
            If you want to specify your own quota instead of using the one specified in the maildirsize file you
            can do with <code>setQuota()</code>:
            </para>

            <programlisting role="php"><![CDATA[
// message count and octet size supported, order does matter
$quota = $mail->setQuota(array('size' => 10000, 'count' => 100));
]]></programlisting>

            <para>
            To add your own quota checks use single letters as keys, and they will be preserved (but obviously not checked).
            It's also possible to extend  <classname>Zend_Mail_Storage_Writable_Maildir</classname> to define your own quota only
            if the maildirsize file is missing (which can happen in Maildir++):
            </para>

            <programlisting role="php"><![CDATA[
class Example_Mail_Storage_Maildir extends Zend_Mail_Storage_Writable_Maildir {
    // getQuota is called with $fromStorage = true by quota checks
    public function getQuota($fromStorage = false) {
        try {
            return parent::getQuota($fromStorage);
        } catch (Zend_Mail_Storage_Exception $e) {
            if (!$fromStorage) {
                // unknown error:
                throw $e;
            }
            // maildirsize file must be missing

            list($count, $size) = get_quota_from_somewhere_else();
            return array('count' => $count, 'size' => $size);
        }
    }
}
]]></programlisting>


        </sect3>
    </sect2>
</sect1>

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