268 lines
6.6 KiB
PHP
Executable File
268 lines
6.6 KiB
PHP
Executable File
<?php
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/**
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* PHP Server Monitor
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* Monitor your servers and websites.
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*
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* This file is part of PHP Server Monitor.
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* PHP Server Monitor is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PHP Server Monitor is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with PHP Server Monitor. If not, see <http://www.gnu.org/licenses/>.
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*
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* @package phpservermon
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* @author Pepijn Over <pep@neanderthal-technology.com>
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* @copyright Copyright (c) 2008-2014 Pepijn Over <pep@neanderthal-technology.com>
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* @license http://www.gnu.org/licenses/gpl.txt GNU GPL v3
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* @version Release: @package_version@
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* @link http://phpservermon.neanderthal-technology.com/
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**/
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/**
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*
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* Autoload
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*
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*/
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function __autoload($class) {
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// first check if a subdir exists for the class
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// it splits using uppercase chars
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preg_match_all("/(\P{Lu}+)|(\p{Lu}+\P{Lu}*)/", $class, $subdir_matches);
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if(!empty($subdir_matches) && count($subdir_matches[0]) > 1) {
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// okay we have some upper case, lets see if a dir exists
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$dir = dirname(__FILE__) . '/classes/' . trim($subdir_matches[0][0]);
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$file = $dir . '/' . trim($class) . '.class.php';
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if(is_dir($dir) && file_exists($file)) {
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require $file;
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return $file;
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}
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} else {
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$file = dirname(__FILE__).'/classes/'.trim(strtolower($class)).'.class.php';
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if(file_exists($file)){
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require $file;
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return $file;
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}
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}
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trigger_error("KERNEL_ERR : Unable to find file:\n\t\t[$file]\n\t associated with class:\n\t\t$class", E_USER_ERROR);
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return false;
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}
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###############################################
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#
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# Language functions
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#
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###############################################
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/**
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* Retrieve language settings from the selected language file
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*
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* @return string
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* @see sm_load_lang()
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*/
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function sm_get_lang() {
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$args = func_get_args();
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if(empty($args)) return $GLOBALS['sm_lang'];
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$result = null;
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$node = null;
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if($args) {
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$node = '$GLOBALS[\'sm_lang\'][\'' . implode('\'][\'', $args) . '\']';
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}
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eval('if (isset('.$node.')) $result = '.$node.';');
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return $result;
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}
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/**
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* Load language from the language file to the $GLOBALS['sm_lang'] variable
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*
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* @param string $lang language
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* @see sm_get_lang()
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*/
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function sm_load_lang($lang) {
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$lang_file = dirname(__FILE__) . '/lang/' . $lang . '.lang.php';
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if(!file_exists($lang_file)) {
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die('unable to load language file: ' . $lang_file);
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}
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require $lang_file;
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$GLOBALS['sm_lang'] = $sm_lang;
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}
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/**
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* Get a setting from the config.
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* The config must have been loaded first using sm_load_conf()
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*
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* @param string $key
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* @return string
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* @see sm_load_conf()
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*/
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function sm_get_conf($key) {
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$result = (isset($GLOBALS['sm_config'][$key])) ? $GLOBALS['sm_config'][$key] : null;
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return $result;
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}
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/**
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* Load config from the database to the $GLOBALS['sm_config'] variable
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*
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* @global object $db
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* @see sm_get_conf()
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*/
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function sm_load_conf() {
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global $db;
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// load config from database into global scope
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$GLOBALS['sm_config'] = array();
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$config_db = $db->select(SM_DB_PREFIX . 'config', null, array('key', 'value'));
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foreach($config_db as $setting) {
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$GLOBALS['sm_config'][$setting['key']] = $setting['value'];
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}
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if(empty($GLOBALS['sm_config']) && basename($_SERVER['SCRIPT_NAME']) != 'install.php') {
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// no config found, go to install page
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die('Failed to load config table. Please run the install.php file');
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}
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}
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###############################################
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#
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# Miscellaneous functions
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#
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###############################################
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/**
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* This function merely adds the message to the log table. It does not perform any checks,
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* everything should have been handled when calling this function
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*
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* @param string $server_id
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* @param string $message
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*/
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function sm_add_log($server_id, $type, $message, $user_id = null) {
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global $db;
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$db->save(
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SM_DB_PREFIX.'log',
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array(
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'server_id' => $server_id,
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'type' => $type,
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'message' => $message,
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'user_id' => ($user_id === null) ? '' : $user_id,
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)
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);
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}
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/**
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* Parses a string from the language file with the correct variables replaced in the message
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*
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* @param string $status is either 'on' or 'off'
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* @param string $type is either 'sms' or 'email'
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* @param array $server information about the server which may be placed in a message: %KEY% will be replaced by your value
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* @return string parsed message
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*/
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function sm_parse_msg($status, $type, $vars) {
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$message = '';
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$message = sm_get_lang('notifications', $status . '_' . $type);
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if(!$message) {
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return $message;
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}
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$vars['date'] = date('Y-m-d H:i:s');
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foreach($vars as $k => $v) {
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$message = str_replace('%' . strtoupper($k) . '%', $v, $message);
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}
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return $message;
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}
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/**
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* Shortcut to curl_init(), curl_exec and curl_close()
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*
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* @param string $href
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* @return string cURL result
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*/
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function sm_curl_get($href) {
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_HEADER, 0);
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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curl_setopt($ch, CURLOPT_URL, $href);
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$result = curl_exec($ch);
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curl_close($ch);
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return $result;
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}
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/**
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* Check if an update is available for PHP Server Monitor
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*
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* @global object $db
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* @return boolean
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*/
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function sm_check_updates() {
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global $db;
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$last_update = sm_get_conf('last_update_check');
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if((time() - (7 * 24 * 60 * 60)) > $last_update) {
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// been more than a week since update, lets go
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// update "update-date"
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$db->save(SM_DB_PREFIX . 'config', array('value' => time()), array('key' => 'last_update_check'));
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$latest = sm_curl_get('http://phpservermon.neanderthal-technology.com/version');
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$current = sm_get_conf('version');
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if((int) $current < (int) $latest) {
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// new update available
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return true;
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}
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}
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return false;
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}
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###############################################
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#
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# Debug functions
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#
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###############################################
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/**
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* Only used for debugging and testing
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*
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* @param mixed $arr
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*/
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function pre($arr = null) {
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echo "<pre>";
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if ($arr === null) debug_print_backtrace();
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print_r($arr);
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echo "</pre>";
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}
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/**
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* Send headers to the browser to avoid caching
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*/
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function sm_no_cache() {
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header("Expires: Mon, 20 Dec 1998 01:00:00 GMT");
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header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
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header("Cache-Control: no-cache, must-revalidate");
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header("Pragma: no-cache");
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}
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?>
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