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<?php
/**
* Elgg Data import export functionality.
*
* @package Elgg
* @subpackage Core
* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
* @author Marcus Povey
* @copyright Curverider Ltd 2008
* @link http://elgg.org/
*/
/**
* Export a GUID.
*
* This function exports a GUID and all information related to it in an XML format.
*
* @param int $guid The GUID.
* @return xml
*/
function export($guid)
{
// trigger serialise event
// serialise resultant object
/*
XML will look something like this:
<elgg>
<elgguser uuid="skdfjslklkjsldkfsdfjs:556">
<guid>556</guid>
<name>Marcus Povey</name>
...
</elgguser>
<annotation>
<name>Foo</name>
<value>baaaa</value>
</annotation>
<annotation>
<name>Monkey</name>
<value>bibble</value>
</annotation>
...
<metadata>
<name>Foo</name>
<value>baaaa</value>
</metadata>
...
<my_plugin>
...
</my_plugin>
</elgg>
*/
}
/**
* Import an XML serialisation of an object.
* This will make a best attempt at importing a given xml doc.
*
* @param string $xml
* @return int The new GUID of the object.
*/
function import($xml)
{
// import via object ?
// import via tag : so you pass a tag "<foo>" and all its contents out and something answers by handling it.
// THis is recursive but bredth first.
}
/**
* Generate a UUID from a given GUID.
*
* @param int $guid The GUID of an object.
*/
function guid_to_uuid($guid)
{
global $CONFIG;
return md5($CONFIG->wwwroot . ":$guid");
}
?>
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