// 检测站点的运行级别
function check_runlevel() {
	global $conf, $method, $gid;
	// hook model_check_runlevel_start.php

	if($gid == 1) return;
	$param0 = param(0);
	$param1 = param(1);
	if($param0 == 'vcode') return;
	if($param0 == 'contact_us') return;
	if($param0 == 'user' && in_array($param1, array('login', 'create', 'logout', 'sendinitpw', 'resetpw', 'resetpw_sendcode', 'resetpw_complete','send_code', 'synlogin'))) return;
	switch ($conf['runlevel']) {
		case 0: message(-1, $conf['runlevel_reason']); break;
		case 1: message(-1, lang('runlevel_reson_1')); break;
		case 2: ($gid == 0 || $method != 'GET') AND message(-1, lang('runlevel_reson_2')); break;
		case 3: $gid == 0 AND http_location(url('user-login')); break;
		case 4: $method != 'GET' AND message(-1, lang('runlevel_reson_4')); break;
		//case 5: break;
	}
	// hook model_check_runlevel_end.php
}