PHP api_convert_encoding函数代码示例

 /**
  * Search users by username, firstname or lastname, based on the given
  * search string
  * @param string Search string
  * @param int Deprecated param
  * @return string Xajax response block
  * @assert () === false
  */
 public static function search_users($needle, $id)
 {
     global $tbl_user, $tbl_access_url_rel_user;
     $xajax_response = new XajaxResponse();
     $return = '';
     if (!empty($needle)) {
         // xajax send utf8 datas... datas in db can be non-utf8 datas
         $charset = api_get_system_encoding();
         $needle = api_convert_encoding($needle, $charset, 'utf-8');
         $needle = Database::escape_string($needle);
         // search users where username or firstname or lastname begins likes $needle
         $order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname, username' : ' ORDER BY lastname, firstname, username';
         $sql = 'SELECT u.user_id, username, lastname, firstname FROM ' . $tbl_user . ' u ' . ' WHERE (username LIKE "' . $needle . '%" ' . ' OR firstname LIKE "' . $needle . '%" ' . ' OR lastname LIKE "' . $needle . '%") ' . $order_clause . ' LIMIT 11';
         $rs = Database::query($sql);
         $i = 0;
         while ($user = Database::fetch_array($rs)) {
             $i++;
             if ($i <= 10) {
                 $return .= '<a href="javascript: void(0);" onclick="javascript: add_user_to_url(\'' . addslashes($user['user_id']) . '\',\'' . api_get_person_name(addslashes($user['firstname']), addslashes($user['lastname'])) . ' (' . addslashes($user['username']) . ')' . '\')">' . api_get_person_name($user['firstname'], $user['lastname']) . ' (' . $user['username'] . ')</a><br />';
             } else {
                 $return .= '...<br />';
             }
         }
     }
     $xajax_response->addAssign('ajax_list_users', 'innerHTML', api_utf8_encode($return));
     return $xajax_response;
 }

 /**
  * Add a term (like xapian definition)
  * @param string Term
  * @param string Flag (one character)
  */
 public function addTerm($term, $flag)
 {
     global $charset;
     if (strlen($flag) == 1) {
         $this->terms[] = array('name' => api_convert_encoding(stripslashes($term), 'UTF-8', $charset), 'flag' => $flag);
     }
 }

 /**
  * Search sessions by name, based on a search string
  * @param string Search string
  * @param int Deprecated param
  * @return string Xajax response block
  * @assert () === false
  */
 function search_sessions($needle, $id)
 {
     global $tbl_session;
     $xajax_response = new XajaxResponse();
     $return = '';
     if (!empty($needle)) {
         // xajax send utf8 datas... datas in db can be non-utf8 datas
         $charset = api_get_system_encoding();
         $needle = api_convert_encoding($needle, $charset, 'utf-8');
         $needle = Database::escape_string($needle);
         // search sessiones where username or firstname or lastname begins likes $needle
         $sql = 'SELECT id, name FROM ' . $tbl_session . ' u
                 WHERE (name LIKE "' . $needle . '%")
                 ORDER BY name, id
                 LIMIT 11';
         $rs = Database::query($sql);
         $i = 0;
         while ($session = Database::fetch_array($rs)) {
             $i++;
             if ($i <= 10) {
                 $return .= '<a href="#" onclick="add_user_to_url(\'' . addslashes($session['id']) . '\',\'' . addslashes($session['name']) . ' (' . addslashes($session['id']) . ')' . '\')">' . $session['name'] . ' </a><br />';
             } else {
                 $return .= '...<br />';
             }
         }
     }
     $xajax_response->addAssign('ajax_list_courses', 'innerHTML', api_utf8_encode($return));
     return $xajax_response;
 }

function search_sessions($needle, $type)
{
    global $_configuration, $tbl_session_rel_access_url, $tbl_session, $user_id;
    $xajax_response = new XajaxResponse();
    $return = '';
    if (!empty($needle) && !empty($type)) {
        // xajax send utf8 datas... datas in db can be non-utf8 datas
        $charset = api_get_system_encoding();
        $needle = api_convert_encoding($needle, $charset, 'utf-8');
        $assigned_sessions_to_hrm = SessionManager::get_sessions_followed_by_drh($user_id);
        $assigned_sessions_id = array_keys($assigned_sessions_to_hrm);
        $without_assigned_sessions = '';
        if (count($assigned_sessions_id) > 0) {
            $without_assigned_sessions = " AND s.id NOT IN(" . implode(',', $assigned_sessions_id) . ")";
        }
        if ($_configuration['multiple_access_urls']) {
            $sql = " SELECT s.id, s.name FROM {$tbl_session} s LEFT JOIN {$tbl_session_rel_access_url} a ON (s.id = a.session_id)\n\t\t\t\t\t\tWHERE  s.name LIKE '{$needle}%' {$without_assigned_sessions} AND access_url_id = " . api_get_current_access_url_id() . "";
        } else {
            $sql = "SELECT s.id, s.name FROM {$tbl_session} s\n\t\t\t\tWHERE  s.name LIKE '{$needle}%' {$without_assigned_sessions} ";
        }
        $rs = Database::query($sql);
        $return .= '<select id="origin" name="NoAssignedSessionsList[]" multiple="multiple" size="20" style="width:340px;">';
        while ($session = Database::fetch_array($rs)) {
            $return .= '<option value="' . $session['id'] . '" title="' . htmlspecialchars($session['name'], ENT_QUOTES) . '">' . $session['name'] . '</option>';
        }
        $return .= '</select>';
        $xajax_response->addAssign('ajax_list_sessions_multiple', 'innerHTML', api_utf8_encode($return));
    }
    return $xajax_response;
}

function search_users($needle, $type)
{
    global $_configuration, $tbl_access_url_rel_user, $tbl_user, $user_anonymous, $current_user_id, $user_id;
    $xajax_response = new XajaxResponse();
    $return = '';
    if (!empty($needle) && !empty($type)) {
        // xajax send utf8 datas... datas in db can be non-utf8 datas
        $charset = api_get_system_encoding();
        $needle = api_convert_encoding($needle, $charset, 'utf-8');
        $assigned_users_to_hrm = UserManager::get_users_followed_by_drh($user_id);
        $assigned_users_id = array_keys($assigned_users_to_hrm);
        $without_assigned_users = '';
        if (count($assigned_users_id) > 0) {
            $without_assigned_users = " AND user.user_id NOT IN(" . implode(',', $assigned_users_id) . ")";
        }
        if ($_configuration['multiple_access_urls']) {
            $sql = "SELECT user.user_id, username, lastname, firstname FROM {$tbl_user} user LEFT JOIN {$tbl_access_url_rel_user} au ON (au.user_id = user.user_id)\n\t\t\tWHERE  " . (api_sort_by_first_name() ? 'firstname' : 'lastname') . " LIKE '{$needle}%' AND status NOT IN(" . DRH . ", " . SESSIONADMIN . ") AND user.user_id NOT IN ({$user_anonymous}, {$current_user_id}, {$user_id}) {$without_assigned_users} AND access_url_id = " . api_get_current_access_url_id() . "";
        } else {
            $sql = "SELECT user_id, username, lastname, firstname FROM {$tbl_user} user\n\t\t\tWHERE  " . (api_sort_by_first_name() ? 'firstname' : 'lastname') . " LIKE '{$needle}%' AND status NOT IN(" . DRH . ", " . SESSIONADMIN . ") AND user_id NOT IN ({$user_anonymous}, {$current_user_id}, {$user_id}) {$without_assigned_users}";
        }
        $rs = Database::query($sql);
        $return .= '<select id="origin" name="NoAssignedUsersList[]" multiple="multiple" size="20" style="width:340px;">';
        while ($user = Database::fetch_array($rs)) {
            $person_name = api_get_person_name($user['firstname'], $user['lastname']);
            $return .= '<option value="' . $user['user_id'] . '" title="' . htmlspecialchars($person_name, ENT_QUOTES) . '">' . $person_name . ' (' . $user['username'] . ')</option>';
        }
        $return .= '</select>';
        $xajax_response->addAssign('ajax_list_users_multiple', 'innerHTML', api_utf8_encode($return));
    }
    return $xajax_response;
}

function search_courses($needle, $type)
{
    global $_configuration, $tbl_course, $tbl_course_rel_access_url, $user_id;
    $xajax_response = new XajaxResponse();
    $return = '';
    if (!empty($needle) && !empty($type)) {
        // xajax send utf8 datas... datas in db can be non-utf8 datas
        $charset = api_get_system_encoding();
        $needle = api_convert_encoding($needle, $charset, 'utf-8');
        $needle = Database::escape_string($needle);
        $assigned_courses_to_hrm = CourseManager::get_courses_followed_by_drh($user_id);
        $assigned_courses_code = array_keys($assigned_courses_to_hrm);
        foreach ($assigned_courses_code as &$value) {
            $value = "'" . $value . "'";
        }
        $without_assigned_courses = '';
        if (count($assigned_courses_code) > 0) {
            $without_assigned_courses = " AND c.code NOT IN(" . implode(',', $assigned_courses_code) . ")";
        }
        if ($_configuration['multiple_access_urls']) {
            $sql = "SELECT c.code, c.title FROM {$tbl_course} c LEFT JOIN {$tbl_course_rel_access_url} a ON (a.course_code = c.code)\n                WHERE  c.code LIKE '{$needle}%' {$without_assigned_courses} AND access_url_id = " . api_get_current_access_url_id() . "";
        } else {
            $sql = "SELECT c.code, c.title FROM {$tbl_course} c\n                WHERE  c.code LIKE '{$needle}%' {$without_assigned_courses} ";
        }
        $rs = Database::query($sql);
        $return .= '<select id="origin" name="NoAssignedCoursesList[]" multiple="multiple" size="20" style="width:340px;">';
        while ($course = Database::fetch_array($rs)) {
            $return .= '<option value="' . $course['code'] . '" title="' . htmlspecialchars($course['title'], ENT_QUOTES) . '">' . $course['title'] . ' (' . $course['code'] . ')</option>';
        }
        $return .= '</select>';
        $xajax_response->addAssign('ajax_list_courses_multiple', 'innerHTML', api_utf8_encode($return));
    }
    return $xajax_response;
}

 /**
  * Search for a list of available courses by title or code, based on
  * a given string
  * @param string String to search for
  * @param int Deprecated param
  * @return string A formatted, xajax answer block
  * @assert () === false
  */
 function search_courses($needle, $id)
 {
     global $tbl_course;
     $xajax_response = new XajaxResponse();
     $return = '';
     if (!empty($needle)) {
         // xajax send utf8 datas... datas in db can be non-utf8 datas
         $charset = api_get_system_encoding();
         $needle = api_convert_encoding($needle, $charset, 'utf-8');
         $needle = Database::escape_string($needle);
         // search courses where username or firstname or lastname begins likes $needle
         $sql = 'SELECT code, title FROM ' . $tbl_course . ' u ' . ' WHERE (title LIKE "' . $needle . '%" ' . ' OR code LIKE "' . $needle . '%" ' . ' ) ' . ' ORDER BY title, code ' . ' LIMIT 11';
         $rs = Database::query($sql);
         $i = 0;
         while ($course = Database::fetch_array($rs)) {
             $i++;
             if ($i <= 10) {
                 $return .= '<a href="javascript: void(0);" onclick="javascript: add_user_to_url(\'' . addslashes($course['code']) . '\',\'' . addslashes($course['title']) . ' (' . addslashes($course['code']) . ')' . '\')">' . $course['title'] . ' (' . $course['code'] . ')</a><br />';
             } else {
                 $return .= '...<br />';
             }
         }
     }
     $xajax_response->addAssign('ajax_list_courses', 'innerHTML', api_utf8_encode($return));
     return $xajax_response;
 }

 function convert($string)
 {
     $from = $this->from_encoding;
     $to = $this->to_encoding;
     if ($from == $to) {
         return $string;
     }
     return api_convert_encoding($string, $to, $from);
 }

    /**
     * Gets html pages and compose them into a learning path
     * @param	array	The files that will compose the generated learning path. Unused so far.
     * @return	boolean	False if file does not exit. Nothing otherwise.
     */
    function make_lp($files = array()) {

        global $_course;
        // We get a content where ||page_break|| indicates where the page is broken.
        if (!file_exists($this->base_work_dir.'/'.$this->created_dir.'/'.$this->file_name.'.html')) { return false; }
        $content = file_get_contents($this->base_work_dir.'/'.$this->created_dir.'/'.$this->file_name.'.html');

        unlink($this->base_work_dir.'/'.$this->file_path);
        unlink($this->base_work_dir.'/'.$this->created_dir.'/'.$this->file_name.'.html');

        // The file is utf8 encoded and it seems to make problems with special quotes.
        // Then we htmlentities that, we replace these quotes and html_entity_decode that in good charset.
        $charset = api_get_system_encoding();
        $content = api_htmlentities($content, ENT_COMPAT, $this->original_charset);
        $content = str_replace('’', '\'', $content);
        $content = api_convert_encoding($content, $charset, $this->original_charset);
        $content = str_replace($this->original_charset, $charset, $content);
        $content = api_html_entity_decode($content, ENT_COMPAT, $charset);

        // Set the path to pictures to absolute (so that it can be modified in fckeditor).
        $content = preg_replace("|src=\"([^\"]*)|i", "src=\"".api_get_path(REL_COURSE_PATH).$_course['path'].'/document'.$this->created_dir."/\\1", $content);

        list($header, $body) = explode('<BODY', $content);

        $body = '<BODY'.$body;

        // Remove font-family styles.
        $header = preg_replace("|font\-family[^;]*;|i", '', $header);

        // Chamilo styles.
        $my_style = api_get_setting('stylesheets');
        if (empty($my_style)) { $my_style = 'chamilo'; }
        $style_to_import = "<style type=\"text/css\">\r\n";
        $style_to_import .= '@import "'.api_get_path(WEB_CODE_PATH).'css/'.$my_style.'/default.css";'."\n";        
        $style_to_import .= "</style>\r\n";
        $header = preg_replace("|</head>|i", "\r\n$style_to_import\r\n\\0", $header);

        // Line break before and after picture.
        $header = str_replace('p {', 'p {clear:both;', $header);

        $header = str_replace('absolute', 'relative', $header);

        switch ($this->split_steps) {
            case 'per_page': $this -> dealPerPage($header, $body); break;
            case 'per_chapter': $this -> dealPerChapter($header, $body); break;
        }
    }

    /**
     * This method return content html containing information about sessions and its position for showing it inside dashboard interface
     * it's important to use the name 'get_block' for beeing used from dashboard controller
     * @return array   column and content html
     */
    public function get_block()
    {
        global $charset;
        $column = 1;
        $data = array();
        $evaluations_base_courses_graph = $this->get_evaluations_base_courses_graph();
        $evaluations_courses_in_sessions_graph = $this->get_evaluations_courses_in_sessions_graph();
        $html = '<div class="panel panel-default" id="intro">
                    <div class="panel-heading">
                        ' . get_lang('EvaluationsGraph') . '
                        <div class="pull-right"><a class="btn btn-danger btn-xs" onclick="javascript:if(!confirm(\'' . addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES, $charset)) . '\')) return false;" href="index.php?action=disable_block&path=' . $this->path . '">
                        <em class="fa fa-times"></em>
                        </a></div>
                    </div>
                    <div class="panel-body">';
        if (empty($evaluations_base_courses_graph) && empty($evaluations_courses_in_sessions_graph)) {
            $html .= '<p>' . api_convert_encoding(get_lang('GraphicNotAvailable'), 'UTF-8') . '</p>';
        } else {
            // display evaluations base courses graph
            if (!empty($evaluations_base_courses_graph)) {
                foreach ($evaluations_base_courses_graph as $course_code => $img_html) {
                    $html .= '<div><strong>' . $course_code . '</strong></div>';
                    $html .= $img_html;
                }
            }
            // display evaluations base courses graph
            if (!empty($evaluations_courses_in_sessions_graph)) {
                foreach ($evaluations_courses_in_sessions_graph as $session_id => $courses) {
                    $session_name = api_get_session_name($session_id);
                    $html .= '<div><strong>' . $session_name . ':' . get_lang('Evaluations') . '</strong></div>';
                    foreach ($courses as $course_code => $img_html) {
                        $html .= '<div><strong>' . $course_code . '</strong></div>';
                        $html .= $img_html;
                    }
                }
            }
        }
        $html .= '</div>
			     </div>';
        $data['column'] = $column;
        $data['content_html'] = $html;
        return $data;
    }

    /**
     * This method return content html containing information about sessions and its position for showing it inside dashboard interface
     * it's important to use the name 'get_block' for beeing used from dashboard controller
     * @return array   column and content html
     */
    public function get_block()
    {
        global $charset;
        $column = 1;
        $data = array();
        $evaluations_base_courses_graph = $this->get_evaluations_base_courses_graph();
        $evaluations_courses_in_sessions_graph = $this->get_evaluations_courses_in_sessions_graph();
        $html = '<li class="widget color-orange" id="intro">
                    <div class="widget-head">
                        <h3>' . get_lang('EvaluationsGraph') . '</h3>
                        <div class="widget-actions"><a onclick="javascript:if(!confirm(\'' . addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES, $charset)) . '\')) return false;" href="index.php?action=disable_block&path=' . $this->path . '">' . Display::return_icon('close.gif', get_lang('Close')) . '</a></div>
                    </div>
                    <div class="widget-content" align="center">';
        if (empty($evaluations_base_courses_graph) && empty($evaluations_courses_in_sessions_graph)) {
            $html .= '<p>' . api_convert_encoding(get_lang('GraphicNotAvailable'), 'UTF-8') . '</p>';
        } else {
            // display evaluations base courses graph
            if (!empty($evaluations_base_courses_graph)) {
                foreach ($evaluations_base_courses_graph as $course_code => $img_html) {
                    $html .= '<div><strong>' . $course_code . '</strong></div>';
                    $html .= $img_html;
                }
            }
            // display evaluations base courses graph
            if (!empty($evaluations_courses_in_sessions_graph)) {
                foreach ($evaluations_courses_in_sessions_graph as $session_id => $courses) {
                    $session_name = api_get_session_name($session_id);
                    $html .= '<div><strong>' . $session_name . ':' . get_lang('Evaluations') . '</strong></div>';
                    foreach ($courses as $course_code => $img_html) {
                        $html .= '<div><strong>' . $course_code . '</strong></div>';
                        $html .= $img_html;
                    }
                }
            }
        }
        $html .= '</div>
			     </li>';
        $data['column'] = $column;
        $data['content_html'] = $html;
        return $data;
    }

function search_coachs($needle)
{
    global $tbl_user;
    $xajax_response = new XajaxResponse();
    $return = '';
    if (!empty($needle)) {
        // xajax send utf8 datas... datas in db can be non-utf8 datas
        $charset = api_get_system_encoding();
        $needle = api_convert_encoding($needle, $charset, 'utf-8');
        $order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname, username' : ' ORDER BY lastname, firstname, username';
        // search users where username or firstname or lastname begins likes $needle
        $sql = 'SELECT username, lastname, firstname FROM ' . $tbl_user . ' user
				WHERE (username LIKE "' . $needle . '%"
				OR firstname LIKE "' . $needle . '%"
				OR lastname LIKE "' . $needle . '%")
				AND status=1' . $order_clause . ' LIMIT 10';
        if (api_is_multiple_url_enabled()) {
            $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
            $access_url_id = api_get_current_access_url_id();
            if ($access_url_id != -1) {
                $sql = 'SELECT username, lastname, firstname FROM ' . $tbl_user . ' user
				INNER JOIN ' . $tbl_user_rel_access_url . ' url_user ON (url_user.user_id=user.user_id)
				WHERE access_url_id = ' . $access_url_id . '  AND (username LIKE "' . $needle . '%"
				OR firstname LIKE "' . $needle . '%"
				OR lastname LIKE "' . $needle . '%")
				AND status=1' . $order_clause . ' LIMIT 10';
            }
        }
        $rs = Database::query($sql);
        while ($user = Database::fetch_array($rs)) {
            $return .= '<a href="javascript: void(0);" onclick="javascript: fill_coach_field(\'' . $user['username'] . '\')">' . api_get_person_name($user['firstname'], $user['lastname']) . ' (' . $user['username'] . ')</a><br />';
        }
    }
    $xajax_response->addAssign('ajax_list_coachs', 'innerHTML', api_utf8_encode($return));
    return $xajax_response;
}

 /**
  * Search for a session based on a given search string
  * @param string A search string
  * @param string A search box type (single or anything else)
  * @return string XajaxResponse
  * @assert ('abc','single') !== ''
  */
 function search_courses($needle, $type)
 {
     global $tbl_session;
     $xajax_response = new XajaxResponse();
     $return = '';
     if (!empty($needle) && !empty($type)) {
         // xajax send utf8 datas... datas in db can be non-utf8 datas
         $charset = api_get_system_encoding();
         $needle = api_convert_encoding($needle, $charset, 'utf-8');
         $needle = Database::escape_string($needle);
         $sql = 'SELECT * FROM ' . $tbl_session . ' WHERE name LIKE "' . $needle . '%" ORDER BY id';
         $rs = Database::query($sql);
         $course_list = array();
         $return .= '<select id="origin" name="NoSessionCategoryList[]" multiple="multiple" size="20" style="width:340px;">';
         while ($course = Database::fetch_array($rs)) {
             $course_list[] = $course['id'];
             $return .= '<option value="' . $course['id'] . '" title="' . htmlspecialchars($course['name'], ENT_QUOTES) . '">' . $course['name'] . '</option>';
         }
         $return .= '</select>';
         $xajax_response->addAssign('ajax_list_courses_multiple', 'innerHTML', api_utf8_encode($return));
     }
     $_SESSION['course_list'] = $course_list;
     return $xajax_response;
 }

function search($needle, $type)
{
    global $tbl_user, $elements_in;
    $xajax_response = new XajaxResponse();
    $return = '';
    if (!empty($needle) && !empty($type)) {
        // xajax send utf8 datas... datas in db can be non-utf8 datas
        $charset = api_get_system_encoding();
        $needle = Database::escape_string($needle);
        $needle = api_convert_encoding($needle, $charset, 'utf-8');
        if ($type == 'single') {
            // search users where username or firstname or lastname begins likes $needle
            /*  $sql = 'SELECT user.user_id, username, lastname, firstname FROM '.$tbl_user.' user
                    WHERE (username LIKE "'.$needle.'%"
                    OR firstname LIKE "'.$needle.'%"
                OR lastname LIKE "'.$needle.'%") AND user.user_id<>"'.$user_anonymous.'"   AND user.status<>'.DRH.''.
                $order_clause.
                ' LIMIT 11';*/
        } else {
            $list = CourseManager::get_courses_list(0, 0, 2, 'ASC', -1, $needle);
        }
        $i = 0;
        if ($type == 'single') {
            /*
                        while ($user = Database :: fetch_array($rs)) {
                            $i++;
                            if ($i<=10) {
                                $person_name = api_get_person_name($user['firstname'], $user['lastname']);
                                $return .= '<a href="javascript: void(0);" onclick="javascript: add_user_to_session(\''.$user['user_id'].'\',\''.$person_name.' ('.$user['username'].')'.'\')">'.$person_name.' ('.$user['username'].')</a><br />';
                            } else {
                                $return .= '...<br />';
                            }
                        }
                        $xajax_response -> addAssign('ajax_list_users_single','innerHTML',api_utf8_encode($return));*/
        } else {
            $return .= '<select id="elements_not_in" name="elements_not_in_name[]" multiple="multiple" size="15" style="width:360px;">';
            foreach ($list as $row) {
                if (!in_array($row['id'], array_keys($elements_in))) {
                    $return .= '<option value="' . $row['id'] . '">' . $row['title'] . ' (' . $row['visual_code'] . ')</option>';
                }
            }
            $return .= '</select>';
            $xajax_response->addAssign('ajax_list_multiple', 'innerHTML', api_utf8_encode($return));
        }
    }
    return $xajax_response;
}

 /**
  * Static function to parse AICC ini files.
  * Based on work by sinedeo at gmail dot com published on php.net (parse_ini_file())
  * @param	string	File path
  * @return	array	Structured array
  */
 function parse_ini_file_quotes_safe($f)
 {
     $null = "";
     $r = $null;
     $sec = $null;
     $f = @file($f);
     for ($i = 0; $i < @count($f); $i++) {
         $newsec = 0;
         $w = @trim($f[$i]);
         if ($w) {
             if ($w[0] == ';') {
                 continue;
             }
             if (!$r or $sec) {
                 if (@substr($w, 0, 1) == "[" and @substr($w, -1, 1) == "]") {
                     $sec = @substr($w, 1, @strlen($w) - 2);
                     $newsec = 1;
                 }
             }
             if (!$newsec) {
                 $w = @explode("=", $w);
                 $k = @trim($w[0]);
                 unset($w[0]);
                 $v = @trim(@implode("=", $w));
                 $v = api_convert_encoding($v, api_get_system_encoding(), mb_detect_encoding($v));
                 if (@substr($v, 0, 1) == "\"" and @substr($v, -1, 1) == "\"") {
                     $v = @substr($v, 1, @strlen($v) - 2);
                 }
                 if ($sec) {
                     if (strtolower($sec) == 'course_description') {
                         //special case
                         $r[strtolower($sec)] = $k;
                     } else {
                         $r[strtolower($sec)][strtolower($k)] = $v;
                     }
                 } else {
                     $r[strtolower($k)] = $v;
                 }
             }
         }
     }
     return $r;
 }