chamilo-lms2/main/glossary/glossary_ajax_request.php

<?php
/* For licensing terms, see /license.txt */

/* @todo move this file in the inc/ajax/ folder */
/**
 * Glossary ajax request code.
 *
 * @package chamilo.glossary
 */
require_once __DIR__.'/../inc/global.inc.php';

api_protect_course_script(true);

/**
 * Search a term and return description from a glossary.
 */
$charset = api_get_system_encoding();

// Replace image path
$path_image = api_get_path(WEB_COURSE_PATH).api_get_course_path();
$path_image_search = '../..'.api_get_path(REL_COURSE_PATH).api_get_course_path();
$glossaryId = isset($_POST['glossary_id']) ? (int) $_POST['glossary_id'] : 0;
$description = get_lang('NoResults');

if (!empty($glossaryId)) {
    $description = GlossaryManager::get_glossary_term_by_glossary_id($glossaryId);
    $description = str_replace($path_image_search, $path_image, $description);
} elseif (isset($_POST['glossary_data']) && $_POST['glossary_data'] == 'true') {
    // get_glossary_terms
    $glossary_data = GlossaryManager::get_glossary_terms();
    $glossary_all_data = [];
    if (count($glossary_data) > 0) {
        foreach ($glossary_data as $glossary_index => $glossary_value) {
            $glossary_all_data[] = $glossary_value['id'].'__|__|'.$glossary_value['name'];
        }
        $description = implode('[|.|_|.|-|.|]', $glossary_all_data);
    }
} elseif (isset($_POST['glossary_name'])) {
    $my_glossary_name = Security::remove_XSS($_POST['glossary_name']);
    $my_glossary_name = api_convert_encoding($my_glossary_name, $charset, 'UTF-8');
    $my_glossary_name = trim($my_glossary_name);

    $glossaryInfo = GlossaryManager::get_glossary_term_by_glossary_name($my_glossary_name);

    $description = str_replace(
        $path_image_search,
        $path_image,
        $glossaryInfo['description']
    );

    if (is_null($description) || strlen(trim($description)) == 0) {
        $description = get_lang('NoResults');
    } else {
        $description = str_replace('class="glossary"', '', $description);
    }
}

echo api_xml_http_response_encode($description);