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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) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |
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// | Copyright (C) 2003-2005 PhpWebGallery Team - http://phpwebgallery.net |
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// +-----------------------------------------------------------------------+
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// | branch        : BSF (Best So Far)
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// | file          : $RCSfile: search.php,v $
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// | last update   : $Date: 2005/05/02 20:59:47 $
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// | last modifier : $Author: plg $
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// | revision      : $Revision: 1.28.2.2 $
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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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//--------------------------------------------------------------------- include
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define('PHPWG_ROOT_PATH','./');
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include_once( PHPWG_ROOT_PATH.'include/common.inc.php' );
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//-------------------------------------------------- access authorization check
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check_login_authorization();
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//------------------------------------------------------------------ form check
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$errors = array();
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$search = array();
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if (isset($_POST['submit']))
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{
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  if (isset($_POST['search_allwords'])
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      and !preg_match('/^\s*$/', $_POST['search_allwords']))
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  {
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    $local_search = array();
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    $search_allwords = $_POST['search_allwords'];
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    $drop_char_match = array(
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      '-','^','$',';','#','&','(',')','<','>','`','\'','"','|',',','@','_',
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      '?','%','~','.','[',']','{','}',':','\\','/','=','\'','!','*');
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    $drop_char_replace = array(
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      ' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','','',' ',' ',' ',' ','',' ',
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      ' ',' ',' ',' ',' ',' ',' ',' ','' ,' ',' ',' ',' ',' ');
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    $search_allwords = str_replace($drop_char_match,
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                                   $drop_char_replace,
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                                   $search_allwords);
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    // Split words
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    $words = preg_split('/\s+/', $search_allwords);
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    $words = array_unique($words);
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    $search['fields']['allwords'] = array();
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    $search['fields']['allwords']['words'] = $words;
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    $search['fields']['allwords']['mode'] = $_POST['mode'];
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  }
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  if ($_POST['search_author'])
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  {
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    $search['fields']['author'] = array();
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    $search['fields']['author']['words'] = array($_POST['search_author']);
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  }
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  if (isset($_POST['cat']))
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  {
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    $search['fields']['cat'] = array();
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    $search['fields']['cat']['words'] = $_POST['cat'];
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    if ($_POST['subcats-included'] == 1)
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    {
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      $search['fields']['cat']['mode'] = 'sub_inc';
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    }
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  }
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  // dates
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  $type_date = $_POST['date_type'];
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  if (!empty($_POST['start_year']))
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  {
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    $year = $_POST['start_year'];
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    $month = $_POST['start_month'] != 0 ? $_POST['start_month'] : '01';
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    $day = $_POST['start_day'] != 0 ? $_POST['start_day'] : '01';
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    $date = $year.'-'.$month.'-'.$day;
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    $search['fields'][$type_date.'-after']['words'] = array($date);
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    $search['fields'][$type_date.'-after']['mode'] = 'inc';
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  }
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  if (!empty($_POST['end_year']))
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  {
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    $year = $_POST['end_year'];
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    $month = $_POST['end_month'] != 0 ? $_POST['end_month'] : '12';
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    $day = $_POST['end_day'] != 0 ? $_POST['end_day'] : '31';
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    $date = $year.'-'.$month.'-'.$day;
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    $search['fields'][$type_date.'-before']['words'] = array($date);
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    $search['fields'][$type_date.'-before']['mode'] = 'inc';
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  }
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  // search string (for URL) creation
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  $search_string = '';
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  $tokens = array();
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  if (!empty($search))
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  {
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    foreach (array_keys($search['fields']) as $field)
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    {
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      $token = $field.':';
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      $token.= implode(',', $search['fields'][$field]['words']);
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      if (isset($search['fields'][$field]['mode']))
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      {
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        $token.= '~'.$search['fields'][$field]['mode'];
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      }
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      array_push($tokens, $token);
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    }
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    $search_string.= implode('--', $tokens);
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    if (count($tokens) > 1)
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    {
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      $search_string.= '|AND';
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    }
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  }
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  else
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  {
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    array_push($errors, $lang['search_one_clause_at_least']);
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  }
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}
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//----------------------------------------------------------------- redirection
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if (isset($_POST['submit']) and count($errors) == 0)
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{
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  $url = 'category.php?cat=search&search='.$search_string;
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  $url = add_session_id($url, true);
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  redirect($url);
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}
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//----------------------------------------------------- template initialization
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/**
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 * instantiate number list for days in a template block
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 *
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 * @param string blockname
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 * @param string selection
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 */
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function get_day_list($blockname, $selection)
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{
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  global $template;
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  $template->assign_block_vars(
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    $blockname, array('SELECTED' => '', 'VALUE' => 0, 'OPTION' => '--'));
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  for ($i = 1; $i <= 31; $i++)
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  {
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    $selected = '';
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    if ($i == (int)$selection)
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    {
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      $selected = 'selected="selected"';
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    }
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    $template->assign_block_vars(
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      $blockname, array('SELECTED' => $selected,
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                        'VALUE' => $i,
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                        'OPTION' => str_pad($i, 2, '0', STR_PAD_LEFT)));
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  }
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}
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/**
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 * instantiate month list in a template block
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 *
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 * @param string blockname
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 * @param string selection
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 */
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function get_month_list($blockname, $selection)
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{
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  global $template, $lang;
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173
  $template->assign_block_vars(
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    $blockname, array('SELECTED' => '',
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                      'VALUE' => 0,
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                      'OPTION' => '------------'));
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  for ($i = 1; $i <= 12; $i++)
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  {
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    $selected = '';
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    if ($i == (int)$selection)
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    {
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      $selected = 'selected="selected"';
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    }
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    $template->assign_block_vars(
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      $blockname, array('SELECTED' => $selected,
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                        'VALUE' => $i,
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                        'OPTION' => $lang['month'][$i]));
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  }
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}
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// start date
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get_day_list('start_day', @$_POST['start_day']);
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get_month_list('start_month', @$_POST['start_month']);
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// end date
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get_day_list('end_day', @$_POST['end_day']);
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get_month_list('end_month', @$_POST['end_month']);
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//
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// Start output of page
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//
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$title= $lang['search_title'];
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include(PHPWG_ROOT_PATH.'include/page_header.php');
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$template->set_filenames( array('search'=>'search.tpl') );
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$template->assign_vars(array(
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  'L_RETURN_HINT' => $lang['home_hint'],
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  'L_SEARCH_TITLE' => $lang['search_title'],
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  'L_SEARCH_OPTIONS' => $lang['search_options'],
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  'L_RETURN' => $lang['home'],
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  'L_SUBMIT' => $lang['submit'],
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  'L_RESET' => $lang['reset'],
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  'L_SEARCH_KEYWORDS'=>$lang['search_keywords'],
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  'L_SEARCH_KEYWORDS_HINT'=>$lang['search_keywords_hint'],
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  'L_SEARCH_ANY_TERMS'=>$lang['search_mode_or'],
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  'L_SEARCH_ALL_TERMS'=>$lang['search_mode_and'],
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  'L_SEARCH_AUTHOR'=>$lang['search_author'],
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  'L_SEARCH_AUTHOR_HINT'=>$lang['search_explain'],
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  'L_SEARCH_CATEGORIES'=>$lang['search_categories'],
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  'L_SEARCH_CATEGORIES_HINT'=>$lang['search_categories_hint'],
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  'L_SEARCH_SUBFORUMS'=>$lang['search_subcats_included'],
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  'L_YES' => $lang['yes'],
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  'L_NO' => $lang['no'],
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  'L_SEARCH_DATE' => $lang['search_date'],
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  'L_SEARCH_DATE_HINT' => $lang['search_date_hint'],
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  'L_TODAY' => $lang['today'],
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  'L_SEARCH_DATE_FROM'=>$lang['search_date_from'],
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  'L_SEARCH_DATE_TO'=>$lang['search_date_to'],
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  'L_DAYS'=>$lang['days'],
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  'L_MONTH'=>$lang['w_month'],
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  'L_SEARCH_DATE_TYPE'=>$lang['search_date_type'],
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  'L_SEARCH_CREATION'=>$lang['search_date_creation'],
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  'L_SEARCH_AVAILABILITY'=>$lang['search_date_available'],
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  'L_RESULT_SORT'=>$lang['search_sort'],
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  'L_SORT_ASCENDING'=>$lang['search_ascending'],
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  'L_SORT_DESCENDING'=>$lang['search_descending'],
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  'TODAY_DAY' => date('d', time()),
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  'TODAY_MONTH' => date('m', time()),
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  'TODAY_YEAR' => date('Y', time()),
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  'S_SEARCH_ACTION' => add_session_id( 'search.php' ),   
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  'U_HOME' => add_session_id( 'category.php' )
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  )
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);
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//------------------------------------------------------------- categories form
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$query = '
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SELECT name,id,date_last,nb_images,global_rank,uppercats
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  FROM '.CATEGORIES_TABLE;
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if ($user['forbidden_categories'] != '')
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{
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  $query.= '
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  WHERE id NOT IN ('.$user['forbidden_categories'].')';
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}
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$query.= '
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;';
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258
$selecteds = array();
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display_select_cat_wrapper($query, $selecteds, 'category_option', false);
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//-------------------------------------------------------------- errors display
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if (sizeof($errors) != 0)
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{
264
  $template->assign_block_vars('errors',array());
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  foreach ($errors as $error)
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  {
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    $template->assign_block_vars('errors.error',array('ERROR'=>$error));
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  }
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}
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//------------------------------------------------------------ log informations
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pwg_log( 'search', $title );
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mysql_close();
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$template->parse('search');
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include(PHPWG_ROOT_PATH.'include/page_tail.php');
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?>