/usr/share/php/Horde/Imap/Client/Ids/Pop3.php is in php-horde-imap-client 2.29.12-1.
This file is owned by root:root, with mode 0o644.
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/**
* Copyright 2011-2016 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @category Horde
* @copyright 2011-2016 Horde LLC
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @package Imap_Client
*/
/**
* Wrapper around Ids object that correctly handles POP3 UID strings.
*
* @author Michael Slusarz <slusarz@horde.org>
* @category Horde
* @copyright 2011-2016 Horde LLC
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @package Imap_Client
*/
class Horde_Imap_Client_Ids_Pop3 extends Horde_Imap_Client_Ids
{
/**
*/
protected function _sort(&$ids)
{
/* There is no guarantee of POP3 UIDL order - IDs need to be unique,
* but there is no requirement they need be incrementing. RFC
* 1939[7] */
}
/**
* Create a POP3 message sequence string.
*
* Index Format: UID1[SPACE]UID2...
*
* @param boolean $sort Not used in this class.
*
* @return string The POP3 message sequence string.
*/
protected function _toSequenceString($sort = true)
{
/* $sort is ignored - see _sort(). */
/* Use space as delimiter as it is the only printable ASCII character
* that is not allowed as part of the UID (RFC 1939 [7]). */
return implode(' ', count($this->_ids) > 25000 ? array_unique($this->_ids) : array_keys(array_flip($this->_ids)));
}
/**
* Parse a POP3 message sequence string into a list of indices.
*
* @param string $str The POP3 message sequence string.
*
* @return array An array of UIDs.
*/
protected function _fromSequenceString($str)
{
return explode(' ', trim($str));
}
}
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