Как вывести отдельно закладки с разных категорий?

<?xml version="1.0" encoding="utf-8"?>
<dleplugin>
	<name>Вывод закладок по категориям</name>
	<description></description>
	<icon></icon>
	<version></version>
	<dleversion>13</dleversion>
	<versioncompare>greater</versioncompare>
	<mysqlinstall><![CDATA[]]></mysqlinstall>
	<mysqlupgrade><![CDATA[]]></mysqlupgrade>
	<mysqlenable><![CDATA[]]></mysqlenable>
	<mysqldisable><![CDATA[]]></mysqldisable>
	<mysqldelete><![CDATA[]]></mysqldelete>
	<file name="engine/modules/favorites.php">
		<operation action="before">
			<searchcode><![CDATA[if( $user_group[$member_id['user_group']]['allow_short'] ) $stop_list = "";]]></searchcode>
			<replacecode><![CDATA[if( isset($_GET['cat']) ) {
	$cat_ids = $_GET['cat'];
	$cat_ids_t = explode(',', $cat_ids);
	$category_ids = "AND category REGEXP '[[:<:]](" . implode ( '|', $cat_ids_t ) . ")[[:>:]]' ";
	
} else $category_ids = " ";]]></replacecode>
		</operation>
		<operation action="replace">
			<searchcode><![CDATA[id in $favorites ]]></searchcode>
			<replacecode><![CDATA[id in $favorites{$category_ids}]]></replacecode>
		</operation>
		<operation action="replace">
			<searchcode><![CDATA[id in {$favorites}"]]></searchcode>
			<replacecode><![CDATA[id in {$favorites}{$category_ids}"]]></replacecode>
		</operation>
	</file>
</dleplugin>