Source for file api.guestbook.php

<?php
////////////////////////////////////////////////////////////////////////////////
//   Copyright (C) ReloadCMS Development Team                                 //
//   http://reloadcms.sf.net                                                  //
//                                                                            //
//   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.                     //
//                                                                            //
//   This product released under GNU General Public License v2                //
////////////////////////////////////////////////////////////////////////////////
 
 
 
define('RCMS_GB_DEFAULT_FILE', DF_PATH . 'guestbook.dat');
define('RCMS_MC_DEFAULT_FILE', DF_PATH . 'minichat.dat');
$_CACHE['gbook'] = array();
 
function guestbook_get_msgs($page = 0, $parse = true, $limited = true, $file = RCMS_GB_DEFAULT_FILE, $config = 'guestbook.ini') {
    global $_CACHE, $system;
    $config = parse_ini_file(CONFIG_PATH . $config);
    $data = &$_CACHE['gbook'][$file];
    if(!isset($data)) {
        if (!is_readable($file) || !($data = unserialize(file_get_contents($file)))) $data = array();
    }
    if(!empty($data)){
        $c    = sizeof($data);
        $ndata = $rdata = array();
        foreach ($data as $key => $value) $ndata[$key . ''] = $value;
        $ndata = array_reverse($ndata, true);
        if($page !== null){
            $i = 0;
            while($i < (($page+1) * $system->config['perpage']) && $el = each($ndata)){
                if($i >= $page * $system->config['perpage']) $rdata[$el['key']] = $el['value'];
                $i++;
            }
        } else {
            $rdata = $ndata;
        }
        if($parse){
            foreach($rdata as $id => $msg){
                if(!empty($msg)) $rdata[$id]['text'] = rcms_parse_text($msg['text'], !$limited, false, !$limited);
            }
        }
        return $rdata;
    } else return array();
}
 
function guestbook_get_last_msgs($num = 10, $parse = true, $limited, $file = RCMS_GB_DEFAULT_FILE, $config = 'guestbook.ini') {
    global $_CACHE, $system;
    $config = parse_ini_file(CONFIG_PATH . $config);
    $data = &$_CACHE['gbook'][$file];
    if(!isset($data)) {
        if (!is_readable($file) || !($data = unserialize(file_get_contents($file)))) $data = array();
    }
    if(!empty($data)){
        $ndata = $rdata = array();
        foreach ($data as $key => $value) $ndata[$key . ''] = $value;
        $ndata = array_reverse($ndata, true);
        if($num !== null){
            $i = 0;
            while($i < $num && $el = each($ndata)){
                $rdata[$el['key']] = $el['value'];
                $i++;
            }
        } else {
            $rdata = $ndata;
        }
        if($parse){
            foreach($rdata as $id => $msg){
                if(!empty($msg)) {
                    $rdata[$id]['text'] = rcms_parse_text($msg['text'], !$limited, false, !$limited);
                }
            }
        }
        return $rdata;
    } else return array();
}
 
function guestbook_get_pages_num($file = RCMS_GB_DEFAULT_FILE, $config = 'guestbook.ini') {
    global $_CACHE, $system;
    $config = parse_ini_file(CONFIG_PATH . $config);
    $data = &$_CACHE['gbook'][$file];
    if(!isset($data)) {
        if (!is_readable($file) || !($data = unserialize(file_get_contents($file)))) $data = array();
    }
    if(!empty($system->config['perpage'])) {
        return ceil(sizeof($data)/$system->config['perpage']);
    } else return 1;
}
 
function guestbook_post_msg($username, $nickname, $text, $file = RCMS_GB_DEFAULT_FILE, $config = 'guestbook.ini') {
    global $_CACHE;
    $text = trim($text);
    if(empty($text)) return false;
    $config = parse_ini_file(CONFIG_PATH . $config);
    $data = &$_CACHE['gbook'][$file];
    if(!isset($data)) {
        if (!is_readable($file) || !($data = unserialize(file_get_contents($file)))) $data = array();
    }
    if(!empty($config['max_db_size'])) $data = array_slice($data, -$config['max_db_size']+1);
    $newmesg['username'] = $username;
    $newmesg['nickname'] = (!empty($config['max_word_len']) && strlen($nickname) > $config['max_word_len']) ? '<abbr title="' . htmlspecialchars($nickname) . '">' . substr($nickname, 0, $config['max_word_len']) . '</abbr>' : htmlspecialchars($nickname);
    $newmesg['time'] = rcms_get_time();
    $newmesg['text'] = (strlen($text) > $config['max_message_len']) ? substr($text, 0, $config['max_message_len']) : $text;
    $data[] = $newmesg;
    return file_write_contents($file, serialize($data));
}
 
function guestbook_post_remove($id, $file = RCMS_GB_DEFAULT_FILE, $config = 'guestbook.ini') {
    global $_CACHE;
    $config = parse_ini_file(CONFIG_PATH . $config);
    $data = &$_CACHE['gbook'][$file];
    if(!isset($data)) {
        if (!is_readable($file) || !($data = unserialize(file_get_contents($file)))) $data = array();
    }
    rcms_remove_index($id, $data, true);
    return file_write_contents($file, serialize($data));
}
?>