friendica-github/src/Module/Hashtag.php

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<?php
/**
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* @copyright Copyright (C) 2010-2021, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
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*/
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namespace Friendica\Module;
use Friendica\BaseModule;
use Friendica\Core\System;
use Friendica\Database\DBA;
use Friendica\Util\Strings;
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/**
* Hashtag module.
*/
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class Hashtag extends BaseModule
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{
protected function content(array $request = []): string
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{
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$result = [];
$t = Strings::escapeHtml($_REQUEST['t']);
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if (empty($t)) {
System::jsonExit($result);
}
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$taglist = DBA::select('tag', ['name'], ["`name` LIKE ?", $t . "%"], ['order' => ['name'], 'limit' => 100]);
while ($tag = DBA::fetch($taglist)) {
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$result[] = ['text' => $tag['name']];
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}
DBA::close($taglist);
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System::jsonExit($result);
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return '';
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}
}