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<?php
// +-----------------------------------------------------------------------+
// | PhpWebGallery - a PHP based picture gallery |
// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |
// | Copyright (C) 2003-2005 PhpWebGallery Team - http://phpwebgallery.net |
// +-----------------------------------------------------------------------+
// | branch : BSF (Best So Far)
// | file : $RCSfile$
// | last update : $Date: 2006-02-28 02:13:16 +0100 (mar., 28 févr. 2006) $
// | last modifier : $Author: rvelices $
// | revision : $Revision: 1058 $
// +-----------------------------------------------------------------------+
// | This program is free software; you can redistribute it and/or modify |
// | it under the terms of the GNU General Public License as published by |
// | the Free Software Foundation |
// | |
// | This program is distributed in the hope that it will be useful, but |
// | WITHOUT ANY WARRANTY; without even the implied warranty of |
// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
// | General Public License for more details. |
// | |
// | You should have received a copy of the GNU General Public License |
// | along with this program; if not, write to the Free Software |
// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
// | USA. |
// +-----------------------------------------------------------------------+
//------------------------------------------------------------------- functions
// official_req returns the managed requests list in array format
function official_req()
{
return array(
'random' /* Random order */
, 'list' /* list on MBt & z0rglub request */
, 'maxviewed' /* hit > 0 and hit desc order */
, 'recent' /* recent = Date_available desc order */
, 'highrated' /* avg_rate > 0 and desc order */
, 'oldest' /* Date_available asc order */
, 'lessviewed' /* hit asc order */
, 'lowrated' /* avg_rate asc order */
, 'undescribed' /* description missing */
, 'unnamed' /* new name missing */
, 'portraits' /* width < height (portrait oriented) */
, 'landscapes' /* width > height (landscape oriented) */
, 'squares' /* width ~ height (square form) */
);
}
// expand_id_list($ids) convert a human list expression to a full ordered list
// example : expand_id_list( array(5,2-3,2) ) returns array( 2, 3, 5)
function expand_id_list($ids)
{
$tid = array();
foreach ( $ids as $id )
{
if ( is_numeric($id) )
{
$tid[] = (int) $id;
}
else
{
$range = explode( '-', $id );
if ( is_numeric($range[0]) and is_numeric($range[1]) )
{
$from = min($range[0],$range[1]);
$to = max($range[0],$range[1]);
for ($i = $from; $i <= $to; $i++)
{
$tid[] = (int) $i;
}
}
}
}
$result = array_unique ($tid); // remove duplicates...
sort ($result);
return $result;
}
// check_target($string) verifies and corrects syntax of target parameter
// example : check_target(cat/23,24,24,24,25,27) returns cat/23-25,27
function check_target($list)
{
if ( $list !== '' )
{
$type = explode('/',$list); // Find type list
if ( !in_array($type[0],array('list','cat','tag') ) )
{
$type[0] = 'list'; // Assume an id list
}
$ids = explode( ',',$type[1] );
$list = $type[0] . '/';
// 1,2,21,3,22,4,5,9-12,6,11,12,13,2,4,6,
$result = expand_id_list( $ids );
// 1,2,3,4,5,6,9,10,11,12,13,21,22,
// I would like
// 1-6,9-13,21-22
$serial[] = $result[0]; // To be shifted
foreach ($result as $k => $id)
{
$next_less_1 = (isset($result[$k + 1]))? $result[$k + 1] - 1:-1;
if ( $id == $next_less_1 and end($serial)=='-' )
{ // nothing to do
}
elseif ( $id == $next_less_1 )
{
$serial[]=$id;
$serial[]='-';
}
else
{
$serial[]=$id; // end serie or non serie
}
}
$null = array_shift($serial); // remove first value
$list .= array_shift($serial); // add the real first one
$separ = ',';
foreach ($serial as $id)
{
$list .= ($id=='-') ? '' : $separ . $id;
$separ = ($id=='-') ? '-':','; // add comma except if hyphen
}
}
return $list;
}
?>
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