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tag_autocomplete.php
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tag_autocomplete.php
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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle 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 Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* @package core
* @subpackage tag
* @copyright 2007 Luiz Cruz <luiz.laydner@gmail.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
define('AJAX_SCRIPT', true);
require_once('../config.php');
require_once('lib.php');
if (empty($CFG->usetags)) {
// Tags are disabled.
die();
}
require_login(0, false);
if (isguestuser()) {
// Guests should not be using this.
die();
}
// If a user cannot edit tags, they cannot add related tags which is what this auto complete is for.
require_capability('moodle/tag:edit', context_system::instance());
$query = optional_param('query', '', PARAM_TAG);
echo $OUTPUT->header();
// Limit the query to a minimum of 3 characters.
$similartags = array();
if (core_text::strlen($query) >= 3) {
$similartags = tag_autocomplete($query);
}
foreach ($similartags as $tag) {
echo clean_param($tag->name, PARAM_TAG) . "\t" . tag_display_name($tag) . "\n";
}
echo $OUTPUT->footer();