250 lines
6.4 KiB
PHP
250 lines
6.4 KiB
PHP
<?php
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/**
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* @file mod/search.php
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*/
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use Friendica\App;
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use Friendica\Content\Feature;
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use Friendica\Content\Nav;
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use Friendica\Core\Cache;
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use Friendica\Core\Config;
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use Friendica\Core\L10n;
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use Friendica\Core\System;
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use Friendica\Database\DBM;
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require_once "include/bbcode.php";
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require_once 'include/security.php';
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require_once 'include/conversation.php';
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require_once 'mod/dirfind.php';
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function search_saved_searches() {
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$o = '';
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if (! Feature::isEnabled(local_user(),'savedsearch'))
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return $o;
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$r = q("SELECT `id`,`term` FROM `search` WHERE `uid` = %d",
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intval(local_user())
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);
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if (DBM::is_result($r)) {
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$saved = [];
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foreach ($r as $rr) {
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$saved[] = [
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'id' => $rr['id'],
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'term' => $rr['term'],
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'encodedterm' => urlencode($rr['term']),
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'delete' => L10n::t('Remove term'),
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'selected' => ($search==$rr['term']),
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];
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}
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$tpl = get_markup_template("saved_searches_aside.tpl");
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$o .= replace_macros($tpl, [
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'$title' => L10n::t('Saved Searches'),
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'$add' => '',
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'$searchbox' => '',
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'$saved' => $saved,
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]);
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}
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return $o;
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}
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function search_init(App $a) {
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$search = ((x($_GET,'search')) ? notags(trim(rawurldecode($_GET['search']))) : '');
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if (local_user()) {
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if (x($_GET,'save') && $search) {
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$r = q("SELECT * FROM `search` WHERE `uid` = %d AND `term` = '%s' LIMIT 1",
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intval(local_user()),
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dbesc($search)
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);
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if (!DBM::is_result($r)) {
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dba::insert('search', ['uid' => local_user(), 'term' => $search]);
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}
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}
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if (x($_GET,'remove') && $search) {
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dba::delete('search', ['uid' => local_user(), 'term' => $search]);
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}
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$a->page['aside'] .= search_saved_searches();
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} else {
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unset($_SESSION['theme']);
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unset($_SESSION['mobile-theme']);
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}
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}
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function search_post(App $a) {
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if (x($_POST,'search'))
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$a->data['search'] = $_POST['search'];
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}
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function search_content(App $a) {
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if (Config::get('system','block_public') && !local_user() && !remote_user()) {
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notice(L10n::t('Public access denied.') . EOL);
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return;
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}
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if (Config::get('system','local_search') && !local_user() && !remote_user()) {
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System::httpExit(403,
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["title" => L10n::t("Public access denied."),
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"description" => L10n::t("Only logged in users are permitted to perform a search.")]);
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killme();
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//notice(L10n::t('Public access denied.').EOL);
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//return;
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}
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if (Config::get('system','permit_crawling') && !local_user() && !remote_user()) {
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// Default values:
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// 10 requests are "free", after the 11th only a call per minute is allowed
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$free_crawls = intval(Config::get('system','free_crawls'));
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if ($free_crawls == 0)
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$free_crawls = 10;
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$crawl_permit_period = intval(Config::get('system','crawl_permit_period'));
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if ($crawl_permit_period == 0)
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$crawl_permit_period = 10;
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$remote = $_SERVER["REMOTE_ADDR"];
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$result = Cache::get("remote_search:".$remote);
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if (!is_null($result)) {
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$resultdata = json_decode($result);
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if (($resultdata->time > (time() - $crawl_permit_period)) && ($resultdata->accesses > $free_crawls)) {
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System::httpExit(429,
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["title" => L10n::t("Too Many Requests"),
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"description" => L10n::t("Only one search per minute is permitted for not logged in users.")]);
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killme();
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}
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Cache::set("remote_search:".$remote, json_encode(["time" => time(), "accesses" => $resultdata->accesses + 1]), CACHE_HOUR);
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} else
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Cache::set("remote_search:".$remote, json_encode(["time" => time(), "accesses" => 1]), CACHE_HOUR);
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}
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Nav::setSelected('search');
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$search = '';
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if (x($a->data,'search'))
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$search = notags(trim($a->data['search']));
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else
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$search = ((x($_GET,'search')) ? notags(trim(rawurldecode($_GET['search']))) : '');
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$tag = false;
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if (x($_GET,'tag')) {
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$tag = true;
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$search = ((x($_GET,'tag')) ? notags(trim(rawurldecode($_GET['tag']))) : '');
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}
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// contruct a wrapper for the search header
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$o .= replace_macros(get_markup_template("content_wrapper.tpl"),[
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'name' => "search-header",
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'$title' => L10n::t("Search"),
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'$title_size' => 3,
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'$content' => search($search,'search-box','search',((local_user()) ? true : false), false)
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]);
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if (strpos($search,'#') === 0) {
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$tag = true;
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$search = substr($search,1);
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}
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if (strpos($search,'@') === 0) {
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return dirfind_content($a);
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}
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if (strpos($search,'!') === 0) {
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return dirfind_content($a);
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}
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if (x($_GET,'search-option'))
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switch($_GET['search-option']) {
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case 'fulltext':
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break;
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case 'tags':
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$tag = true;
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break;
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case 'contacts':
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return dirfind_content($a, "@");
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break;
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case 'forums':
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return dirfind_content($a, "!");
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break;
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}
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if (! $search)
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return $o;
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if (Config::get('system','only_tag_search'))
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$tag = true;
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// Here is the way permissions work in the search module...
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// Only public posts can be shown
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// OR your own posts if you are a logged in member
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// No items will be shown if the member has a blocked profile wall.
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if ($tag) {
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logger("Start tag search for '".$search."'", LOGGER_DEBUG);
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$r = q("SELECT %s
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FROM `term`
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STRAIGHT_JOIN `item` ON `item`.`id`=`term`.`oid` %s
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WHERE %s AND (`term`.`uid` = 0 OR (`term`.`uid` = %d AND NOT `term`.`global`)) AND `term`.`otype` = %d AND `term`.`type` = %d AND `term`.`term` = '%s'
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ORDER BY term.created DESC LIMIT %d , %d ",
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item_fieldlists(), item_joins(), item_condition(),
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intval(local_user()),
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intval(TERM_OBJ_POST), intval(TERM_HASHTAG), dbesc(protect_sprintf($search)),
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intval($a->pager['start']), intval($a->pager['itemspage']));
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} else {
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logger("Start fulltext search for '".$search."'", LOGGER_DEBUG);
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$sql_extra = sprintf(" AND `item`.`body` REGEXP '%s' ", dbesc(protect_sprintf(preg_quote($search))));
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$r = q("SELECT %s
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FROM `item` %s
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WHERE %s AND (`item`.`uid` = 0 OR (`item`.`uid` = %s AND NOT `item`.`global`))
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$sql_extra
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GROUP BY `item`.`uri`, `item`.`id` ORDER BY `item`.`id` DESC LIMIT %d , %d",
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item_fieldlists(), item_joins(), item_condition(),
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intval(local_user()),
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intval($a->pager['start']), intval($a->pager['itemspage']));
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}
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if (! DBM::is_result($r)) {
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info(L10n::t('No results.') . EOL);
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return $o;
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}
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if ($tag) {
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$title = L10n::t('Items tagged with: %s', $search);
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} else {
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$title = L10n::t('Results for: %s', $search);
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}
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$o .= replace_macros(get_markup_template("section_title.tpl"),[
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'$title' => $title
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]);
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logger("Start Conversation for '".$search."'", LOGGER_DEBUG);
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$o .= conversation($a,$r,'search',false);
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$o .= alt_pager($a,count($r));
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logger("Done '".$search."'", LOGGER_DEBUG);
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return $o;
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}
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