phpcms中set_config和get_sysinfo函数

 ???/** ????* 设置config文件 ????* @param $config 配属信息 ????* @param $filename 要配置的文件名称 ????*/ ???function set_config($config, $filename="system") { ???????$configfile = CACHE_PATH.‘configs‘.DIRECTORY_SEPARATOR.$filename.‘.php‘; ???????if(!is_writable($configfile)) showmessage(‘Please chmod ‘.$configfile.‘ to 0777 !‘); ???????$pattern = $replacement = array(); ???????foreach($config as $k=>$v) { ???????????if(in_array($k,array(‘js_path‘,‘css_path‘,‘img_path‘,‘attachment_stat‘,‘admin_log‘,‘gzip‘,‘errorlog‘,‘phpsso‘,‘phpsso_appid‘,‘phpsso_api_url‘,‘phpsso_auth_key‘,‘phpsso_version‘,‘connect_enable‘, ‘upload_url‘,‘sina_akey‘, ‘sina_skey‘, ‘snda_enable‘, ‘snda_status‘, ‘snda_akey‘, ‘snda_skey‘, ‘qq_akey‘, ‘qq_skey‘,‘qq_appid‘,‘qq_appkey‘,‘qq_callback‘,‘admin_url‘))) { ???????????????$v = trim($v); ???????????????$configs[$k] = $v; ???????????????$pattern[$k] = "/‘".$k."‘\s*=>\s*([‘]?)[^‘]*([‘]?)(\s*),/is"; ???????????????$replacement[$k] = "‘".$k."‘ => \${1}".$v."\${2}\${3},"; ???????????????????????????????} ???????} ???????$str = file_get_contents($configfile); ???????$str = preg_replace($pattern, $replacement, $str); ???????return pc_base::load_config(‘system‘,‘lock_ex‘) ? file_put_contents($configfile, $str, LOCK_EX) : file_put_contents($configfile, $str); ???????????} ???????/** ????* 获取系统信息 ????*/ ???function get_sysinfo() { ???????$sys_info[‘os‘] ????????????= PHP_OS; ???????$sys_info[‘zlib‘] ??????????= function_exists(‘gzclose‘);//zlib ???????$sys_info[‘safe_mode‘] ?????= (boolean) ini_get(‘safe_mode‘);//safe_mode = Off ???????$sys_info[‘safe_mode_gid‘] ?= (boolean) ini_get(‘safe_mode_gid‘);//safe_mode_gid = Off ???????$sys_info[‘timezone‘] ??????= function_exists("date_default_timezone_get") ? date_default_timezone_get() : L(‘no_setting‘); ???????$sys_info[‘socket‘] ????????= function_exists(‘fsockopen‘) ; ???????$sys_info[‘web_server‘] ????= strpos($_SERVER[‘SERVER_SOFTWARE‘], ‘PHP‘)===false ? $_SERVER[‘SERVER_SOFTWARE‘].‘PHP/‘.phpversion() : $_SERVER[‘SERVER_SOFTWARE‘]; ???????$sys_info[‘phpv‘] ??????????= phpversion(); ???????????$sys_info[‘fileupload‘] ????= @ini_get(‘file_uploads‘) ? ini_get(‘upload_max_filesize‘) :‘unknown‘; ???????return $sys_info; ???}