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https://github.com/Piwigo/Piwigo.git
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calendar redesign: step 1
git-svn-id: http://piwigo.org/svn/trunk@1047 68402e56-0260-453c-a942-63ccdbb3a9ee
This commit is contained in:
rvelices
@@ -0,0 +1,437 @@
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<?php
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// +-----------------------------------------------------------------------+
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// | PhpWebGallery - a PHP based picture gallery |
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// | Copyright (C) 2003-2006 PhpWebGallery Team - http://phpwebgallery.net |
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// +-----------------------------------------------------------------------+
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// | branch : BSF (Best So Far)
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// | file : $RCSfile$
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// | last update : $Date: 2006-02-12 16:52:16 -0500 (Sun, 12 Feb 2006) $
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// | last modifier : $Author: plg $
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// | revision : $Revision: 1036 $
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// +-----------------------------------------------------------------------+
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// | This program is free software; you can redistribute it and/or modify |
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// | it under the terms of the GNU General Public License as published by |
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// | the Free Software Foundation |
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// | |
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// | This program is distributed in the hope that it will be useful, but |
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// | WITHOUT ANY WARRANTY; without even the implied warranty of |
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// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// | General Public License for more details. |
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// | |
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// | You should have received a copy of the GNU General Public License |
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// | along with this program; if not, write to the Free Software |
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// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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// | USA. |
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// +-----------------------------------------------------------------------+
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class BaseCalendarLevel
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{
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function BaseCalendarLevel($sql, $allow_any=true, $labels=null)
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{
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$this->sql = $sql;
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$this->allow_any = $allow_any;
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$this->labels = $labels;
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}
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function sql()
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{
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return $this->sql;
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}
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function sql_equal($item)
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{
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return $this->sql.'='.$item;
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}
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function allow_any()
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{
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return $this->allow_any;
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}
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function get_label($item)
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{
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if ( isset($this->labels[$item]) )
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{
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return $this->labels[$item];
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}
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return $item;
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}
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var $sql;
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var $allow_any;
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var $labels;
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}
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class YearMonthCalendarLevel extends BaseCalendarLevel
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{
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function YearMonthCalendarLevel()
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{
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global $conf;
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parent::BaseCalendarLevel('DATE_FORMAT('.$conf['calendar_datefield'].',"%Y%m")', false);
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}
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function sql_equal($item)
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{
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global $conf;
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$y = (int)($item/100);
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$m = (int)$item%100;
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// There seems to be much difference in performance between these:
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return $conf['calendar_datefield']." BETWEEN '$y-$m-01' AND '$y-$m-31'";
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/* return '(YEAR('.$conf['calendar_datefield'].')='.$y.'
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AND MONTH('.$conf['calendar_datefield'].')='.$m.')';*/
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// return parent::sql_equal($item);
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}
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function get_label($item)
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{
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global $lang;
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if ( preg_match( '/(\d{4})(\d{2})/', $item, $matches) )
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{
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return $lang['month'][(int)$matches[2]].' '.$matches[1];
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}
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return $item;
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}
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}
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// just to optimize MySql query so that it uses the index
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class YearCalendarLevel extends BaseCalendarLevel
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{
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function YearCalendarLevel($sql, $allow_any=true)
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{
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parent::BaseCalendarLevel($sql, $allow_any);
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}
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function sql_equal($item)
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{
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global $conf;
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return $conf['calendar_datefield']." BETWEEN '$item-01-01' AND '$item-12-31'";
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}
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}
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/**
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* Parses $param and returns an array of calendar levels
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* @param requested array of requested items for each calendar level
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* @param cal_type is the requested calendar type
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*/
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function get_calendar_params($param, &$requested, &$cal_type)
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{
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global $conf, $lang;
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$requested = explode('-', $param);
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$cal_struct = array();
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if ($requested[0]=='ywd')
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{
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array_push($cal_struct, new YearCalendarLevel(
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'YEAR('.$conf['calendar_datefield'].')' ) );
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array_push($cal_struct, new BaseCalendarLevel(
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'WEEK('.$conf['calendar_datefield'].')+1' ) );
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array_push($cal_struct, new BaseCalendarLevel(
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'DAYOFWEEK('.$conf['calendar_datefield'].')-1', true, $lang['day'] ) );
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$cal_type=array_shift($requested);
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}
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else if ($requested[0]=='md')
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{
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array_push($cal_struct, new YearMonthCalendarLevel() );
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array_push($cal_struct, new BaseCalendarLevel(
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'DAY('.$conf['calendar_datefield'].')' ) );
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$cal_type=array_shift($requested);
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}
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else
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{
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array_push($cal_struct, new YearCalendarLevel(
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'YEAR('.$conf['calendar_datefield'].')' ) );
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array_push($cal_struct, new BaseCalendarLevel(
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'MONTH('.$conf['calendar_datefield'].')', true, $lang['month'] ) );
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array_push($cal_struct, new BaseCalendarLevel(
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'DAY('.$conf['calendar_datefield'].')' ) );
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if ($requested[0]=='ymd')
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{
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$cal_type=array_shift($requested);
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}
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else
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{
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$cal_type='';
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}
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}
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// perform a sanity check on $requested
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while (count($requested)>count($cal_struct))
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{
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array_pop($requested);
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}
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$any_count = 0;
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for ($i=0; $i<count($requested); $i++)
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{
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if ($requested[$i]=='any')
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{
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if (! $cal_struct[$i]->allow_any() )
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{
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while ($i<count($requested))
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{
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array_pop( $requested );
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}
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break;
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}
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$any_count++;
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}
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elseif ( empty($requested[$i]) )
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{
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while ($i<count($requested))
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{
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array_pop( $requested );
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}
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}
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}
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if ($any_count==count($cal_struct))
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{
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array_pop($requested);
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}
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return $cal_struct;
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}
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function initialize_calendar()
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{
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global $page, $conf, $user, $template;
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if ( !isset($page['cat']) or is_numeric($page['cat']) )
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{ // we will regenerate the items by including subcats elements
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$page['cat_nb_images']=0;
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$page['items']=array();
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if ( is_numeric($page['cat']) )
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{
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$sub_ids = get_subcat_ids(array($page['cat']));
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$sub_ids = array_diff($sub_ids,
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explode(',', $user['forbidden_categories']) );
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if (empty($sub_ids))
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{
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return; // nothing to do
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}
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$category_restriction .= ' IN ('.implode(',',$sub_ids).')';
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}
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else
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{
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$category_restriction = ' NOT IN ('.$user['forbidden_categories'].')';
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}
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}
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else
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{
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if ( empty($page['items']) )
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{
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return; // nothing to do
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}
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}
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pwg_debug('start initialize_calendar');
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$cal_struct = get_calendar_params($_GET['calendar'], $requested, $cal_type);
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//echo ('<pre>'. var_export($cal_struct, true) . '</pre>');
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//echo ('<pre>'. var_export($requested, true) . '</pre>');
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$category_calling = false;
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if (basename($_SERVER["PHP_SELF"]) == 'category.php')
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{
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$category_calling = true;
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}
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if ($category_calling)
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{
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$template->assign_block_vars('calendar', array());
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$url_base = get_query_string_diff(array('start','calendar'));
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$url_base .= empty($url_base) ? '?' : '&';
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$url_base .= 'calendar=';
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$url_base = PHPWG_ROOT_PATH.'category.php'.$url_base;
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// Build navigation bar for calendar styles
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$nav_bar = 'Styles: ';
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foreach ( array('ymd','md','ywd') as $type)
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{
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if ( $type==$cal_type or ($cal_type=='' and $type=='ymd') )
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{
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$nav_bar .= $type.' ';
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}
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else
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{
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$nav_bar .= '<a href="'. $url_base.$type . '">'.$type.'</a> ';
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}
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}
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$template->assign_block_vars( 'calendar.navbar',
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array( 'BAR' => $nav_bar)
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);
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$url_base .= $cal_type;
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if ($cal_type!='')
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{
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$url_base .= '-';
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}
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$prev_level_query='
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AND '.$conf['calendar_datefield'].' IS NOT NULL ';
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for ($i=0; $i<count($cal_struct); $i++)
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{
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$crt_cal_level = $cal_struct[$i];
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$query = '
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SELECT DISTINCT('.$crt_cal_level->sql().') AS period, COUNT(id) as count
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FROM '.IMAGES_TABLE;
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if ( isset($category_restriction) )
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{
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$query.= '
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INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON id = image_id
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WHERE category_id' . $category_restriction;
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}
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else
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{
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$query.= '
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WHERE id IN (' . implode(',',$page['items']) .')';
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}
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$query.= $prev_level_query;
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$query.= '
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GROUP BY period';
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$level_items=array();
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$result = pwg_query($query);
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$total_pics = 0;
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while ($row = mysql_fetch_array($result))
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{
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$level_items[$row['period']] = (int)$row['count'];
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$total_pics += $row['count'];
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}
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//echo ('<pre>'. var_export($level_items, true) . '</pre>');
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if ( $requested[$i] == 'any' and ! $crt_cal_level->allow_any() )
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{
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unset($requested[$i]);
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}
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// --- Build the navigation bar
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if ( $crt_cal_level->allow_any() )
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{
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$level_items['any'] = $total_pics;
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}
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$nav_bar='';
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foreach ($level_items as $item => $nb_images)
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{
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$label = $crt_cal_level->get_label($item);
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if ( $item==$requested[$i] )
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{
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$nav_bar .= ' <span class="dateSelected">';
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$nav_bar .= $label;
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$nav_bar.= '</span>';
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}
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else
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{
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$url = $url_base . $item;
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$nav_bar .= '<a href="'.$url.'">';
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$nav_bar .= $label;
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$nav_bar .= '</a>';
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}
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$nav_bar .= ' ';
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}
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$template->assign_block_vars( 'calendar.navbar',
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array( 'BAR' => $nav_bar)
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);
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if ( !isset($requested[$i]) )
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break;
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if ($requested[$i]!='any')
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{
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$prev_level_query.= ' AND '.$crt_cal_level->sql_equal($requested[$i]);
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}
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$url_base .= $requested[$i].'-';
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} // end for each calendar level
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if ( $i < count($cal_struct) )
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{
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$template->assign_block_vars('thumbnails', array());
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$template->assign_block_vars('thumbnails.line', array());
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foreach ($level_items as $level_item => $nb_pics)
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{
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if ($level_item=='any')
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continue;
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$query = '
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SELECT file,tn_ext,'.$conf['calendar_datefield'].',path
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FROM '.IMAGES_TABLE;
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if ( isset($category_restriction) )
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{
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$query.= '
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INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON id = image_id
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WHERE category_id' . $category_restriction;
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}
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else
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{
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$query.= '
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WHERE id IN (' . implode(',',$page['items']) .')';
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}
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$query.= $prev_level_query;
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$query.= ' AND '.$crt_cal_level->sql_equal($level_item);
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$query.= '
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ORDER BY RAND()
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LIMIT 0,1';
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$row = mysql_fetch_array(pwg_query($query));
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$thumbnail_src = get_thumbnail_src($row['path'], @$row['tn_ext']);
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$thumbnail_title = $crt_cal_level->get_label($level_item);
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$name = $thumbnail_title .' ('.$nb_pics.')';
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$template->assign_block_vars(
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'thumbnails.line.thumbnail',
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array(
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'IMAGE'=>$thumbnail_src,
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'IMAGE_ALT'=>$row['file'],
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'IMAGE_TITLE'=>$thumbnail_title,
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'U_IMG_LINK'=>$url_base.$level_item
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)
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);
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$template->assign_block_vars(
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'thumbnails.line.thumbnail.category_name',
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array(
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'NAME' => $name
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)
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);
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}
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unset( $page['thumbnails_include'] ); // maybe move everything to a new include file ?
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pwg_debug('end initialize_calendar for thumbs');
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return;
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}
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}
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if (!$category_calling or $i==count($cal_struct) )
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{
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$query = 'SELECT DISTINCT(id) FROM '.IMAGES_TABLE;
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if ( isset($category_restriction) )
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{
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$query.= '
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INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON id = image_id
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WHERE category_id' . $category_restriction;
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}
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else
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{
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$query.= '
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WHERE id IN ('.implode(',',$page['items']).')';
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}
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$query.= '
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AND '.$conf['calendar_datefield'].' IS NOT NULL ';
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for ($i=0; $i<count($cal_struct); $i++)
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{
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assert( isset($requested[$i]) ); // otherwise we should not be here
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if ($requested[$i]!='any')
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{
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$query.= '
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AND '. $cal_struct[$i]->sql_equal($requested[$i]);
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}
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}
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$page['items'] = array_from_query($query, 'id');
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$page['cat_nb_images'] = count($page['items']);
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$page['thumbnails_include'] = 'include/category_default.inc.php';
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}
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pwg_debug('end initialize_calendar');
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}
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?>
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Reference in New Issue
Block a user