page_header.php

这是php编的论坛的原代码

	$l_online_users .= sprintf($l_g_user_s, $guests_online);
}

//
// Obtain number of new private messages
// if user is logged in
//
if ( $userdata['session_logged_in'] )
{
	// see if user has or have had birthday, also see if greeting are enabled 
	if ( $userdata['user_birthday'] != 999999 && $board_config['birthday_greeting'] )
	{
		if ( ( create_date('Ymd', time(), $board_config['default_timezone']) ) >= $userdata['user_next_birthday_greeting'].realdate ('md', $userdata['user_birthday'] ) ) 
		{ 
			$sql = "UPDATE " . USERS_TABLE . " 
				SET user_next_birthday_greeting = " . (create_date('Y', time(), $board_config['board_timezone'])+1) . " 
				WHERE user_id = " . $userdata['user_id']; 
			if( !$status = $db->sql_query($sql) ) 
			{ 
				message_die(GENERAL_ERROR, "Could not update next_birthday_greeting for user.", "", __LINE__, __FILE__, $sql); 
			} 
			if (isset($status)) 
				$db->sql_freeresult($status);
			$greeting_flag = 1; 
		} else 
			$greeting_flag = 0;//Sorry user shall not have a greeting this year
	} else 
		$greeting_flag = 0;//Sorry user shall not have a greeting this year

	if ( $userdata['user_new_privmsg'] )
	{
		$l_message_new = ( $userdata['user_new_privmsg'] == 1 ) ? $lang['New_pm'] : $lang['New_pms'];
		$l_privmsgs_text = sprintf($l_message_new, $userdata['user_new_privmsg']);

		if ( $userdata['user_last_privmsg'] > $userdata['user_lastvisit'] )
		{
			$sql = "UPDATE " . USERS_TABLE . "
				SET user_last_privmsg = " . $userdata['user_lastvisit'] . "
				WHERE user_id = " . $userdata['user_id'];
			if ( !$db->sql_query($sql) )
			{
				message_die(GENERAL_ERROR, 'Could not update private message new/read time for user', '', __LINE__, __FILE__, $sql);
			}

			$s_privmsg_new = 1;
			$icon_pm = $images['pm_new_msg'];
		}
		else
		{
			$s_privmsg_new = 0;
			$icon_pm = $images['pm_new_msg'];
		}
	}
	else
	{
		$l_privmsgs_text = $lang['No_new_pm'];

		$s_privmsg_new = 0;
		$icon_pm = $images['pm_no_new_msg'];
	}

	if ( $userdata['user_unread_privmsg'] )
	{
		$l_message_unread = ( $userdata['user_unread_privmsg'] == 1 ) ? $lang['Unread_pm'] : $lang['Unread_pms'];
		$l_privmsgs_text_unread = sprintf($l_message_unread, $userdata['user_unread_privmsg']);
	}
	else
	{
		$l_privmsgs_text_unread = $lang['No_unread_pm'];
	}
}
else
{
	$icon_pm = $images['pm_no_new_msg'];
	$l_privmsgs_text = $lang['Login_check_pm'];
	$l_privmsgs_text_unread = '';
	$s_privmsg_new = 0;
}

//
// Generate HTML required for Mozilla Navigation bar
//
$nav_links_html = '';
$nav_link_proto = '<link rel="%s" href="%s" title="%s" />' . "\n";
while( list($nav_item, $nav_array) = @each($nav_links) )
{
	if ( !empty($nav_array['url']) )
	{
		$nav_links_html .= sprintf($nav_link_proto, $nav_item, append_sid($nav_array['url']), $nav_array['title']);
	}
	else
	{
		// We have a nested array, used for items like <link rel='chapter'> that can occur more than once.
		while( list(,$nested_array) = each($nav_array) )
		{
			$nav_links_html .= sprintf($nav_link_proto, $nav_item, $nested_array['url'], $nested_array['title']);
		}
	}
}

//
// The following assigns all _common_ variables that may be used at any point
// in a template.
//
$template->assign_vars(array(
	'SITENAME' => $board_config['sitename'],
	'SITE_DESCRIPTION' => $board_config['site_desc'],
	'PAGE_TITLE' => $page_title,
	'LAST_VISIT_DATE' => sprintf($lang['You_last_visit'], $s_last_visit),
	'CURRENT_TIME' => sprintf($lang['Current_time'], create_date($board_config['default_dateformat'], time(), $board_config['board_timezone'])),
	'TOTAL_USERS_ONLINE' => $l_online_users,
	'LOGGED_IN_USER_LIST' => $online_userlist,
	'RECORD_USERS' => sprintf($lang['Record_online_users'], $board_config['record_online_users'], create_date($board_config['default_dateformat'], $board_config['record_online_date'], $board_config['board_timezone'])),
	'PRIVATE_MESSAGE_INFO' => $l_privmsgs_text,
	'PRIVATE_MESSAGE_INFO_UNREAD' => $l_privmsgs_text_unread,
	'PRIVATE_MESSAGE_NEW_FLAG' => $s_privmsg_new,
	'GREETING_FLAG' => $greeting_flag,

	'PRIVMSG_IMG' => $icon_pm,

	'L_USERNAME' => $lang['Username'],
	'L_PASSWORD' => $lang['Password'],
	'L_LOGIN_LOGOUT' => $l_login_logout,
	'L_LOGIN' => $lang['Login'],
	'L_LOG_ME_IN' => $lang['Log_me_in'],
	'L_AUTO_LOGIN' => $lang['Log_me_in'],
	'L_INDEX' => sprintf($lang['Forum_Index'], $board_config['sitename']),
	'L_REGISTER' => $lang['Register'],
	'L_PROFILE' => $lang['Profile'],
	'L_SEARCH' => $lang['Search'],
	'L_PRIVATEMSGS' => $lang['Private_Messages'],
	'L_WHO_IS_ONLINE' => $lang['Who_is_Online'],
	'L_MEMBERLIST' => $lang['Memberlist'],
	'L_FAQ' => $lang['FAQ'],
	'L_USERGROUPS' => $lang['Usergroups'],
	'L_SEARCH_NEW' => $lang['Search_new'],
	'L_SEARCH_UNANSWERED' => $lang['Search_unanswered'],
	'L_SEARCH_SELF' => $lang['Search_your_posts'],
	'L_WHOSONLINE_ADMIN' => sprintf($lang['Admin_online_color'], '<span style="color:#' . $theme['fontcolor3'] . '">', '</span>'),
	'L_WHOSONLINE_MOD' => sprintf($lang['Mod_online_color'], '<span style="color:#' . $theme['fontcolor2'] . '">', '</span>'),

	'L_MSN_NEED_LOGIN' => $lang['Msn_need_login'],
	'L_MSN_ADD_PART1' => $lang['Msn_add_part1'],
	'L_MSN_ADD_PART2' => $lang['Msn_add_part2'],
	'L_MSN_SEND_PART1' => $lang['Msn_send_part1'],
	'L_MSN_SEND_PART2' => $lang['Msn_send_part2'],

	'U_SEARCH_UNANSWERED' => append_sid('search.'.$phpEx.'?search_id=unanswered'),
	'U_SEARCH_SELF' => append_sid('search.'.$phpEx.'?search_id=egosearch'),
	'U_SEARCH_NEW' => append_sid('search.'.$phpEx.'?search_id=newposts'),
	'U_INDEX' => append_sid('index.'.$phpEx),
	'U_REGISTER' => append_sid('profile.'.$phpEx.'?mode=register'),
	'U_PROFILE' => append_sid('profile.'.$phpEx.'?mode=editprofile'),
	'U_PRIVATEMSGS' => append_sid('privmsg.'.$phpEx.'?folder=inbox'),
	'U_PRIVATEMSGS_POPUP' => append_sid('privmsg.'.$phpEx.'?mode=newpm'),
	'U_GREETING_POPUP' => append_sid('birthday_popup.'.$phpEx),
	'U_SEARCH' => append_sid('search.'.$phpEx),
	'U_MEMBERLIST' => append_sid('memberlist.'.$phpEx),
	'U_MODCP' => append_sid('modcp.'.$phpEx),
	'U_FAQ' => append_sid('faq.'.$phpEx),
	'U_VIEWONLINE' => append_sid('viewonline.'.$phpEx),
	'U_LOGIN_LOGOUT' => append_sid($u_login_logout),
	'U_MEMBERSLIST' => append_sid('memberlist.'.$phpEx),
	'U_GROUP_CP' => append_sid('groupcp.'.$phpEx),

	'S_CONTENT_DIRECTION' => $lang['DIRECTION'],
	'S_CONTENT_ENCODING' => $lang['ENCODING'],
	'S_CONTENT_DIR_LEFT' => $lang['LEFT'],
	'S_CONTENT_DIR_RIGHT' => $lang['RIGHT'],
	'S_TIMEZONE' => sprintf($lang['All_times'], $lang[number_format($board_config['board_timezone'])]),
	'S_LOGIN_ACTION' => append_sid('login.'.$phpEx),

	'T_HEAD_STYLESHEET' => $theme['head_stylesheet'],
	'T_BODY_BACKGROUND' => $theme['body_background'],
	'T_BODY_BGCOLOR' => '#'.$theme['body_bgcolor'],
	'T_BODY_TEXT' => '#'.$theme['body_text'],
	'T_BODY_LINK' => '#'.$theme['body_link'],
	'T_BODY_VLINK' => '#'.$theme['body_vlink'],
	'T_BODY_ALINK' => '#'.$theme['body_alink'],
	'T_BODY_HLINK' => '#'.$theme['body_hlink'],
	'T_TR_COLOR1' => '#'.$theme['tr_color1'],
	'T_TR_COLOR2' => '#'.$theme['tr_color2'],
	'T_TR_COLOR3' => '#'.$theme['tr_color3'],
	'T_TR_CLASS1' => $theme['tr_class1'],
	'T_TR_CLASS2' => $theme['tr_class2'],
	'T_TR_CLASS3' => $theme['tr_class3'],
	'T_TH_COLOR1' => '#'.$theme['th_color1'],
	'T_TH_COLOR2' => '#'.$theme['th_color2'],
	'T_TH_COLOR3' => '#'.$theme['th_color3'],
	'T_TH_CLASS1' => $theme['th_class1'],
	'T_TH_CLASS2' => $theme['th_class2'],
	'T_TH_CLASS3' => $theme['th_class3'],
	'T_TD_COLOR1' => '#'.$theme['td_color1'],
	'T_TD_COLOR2' => '#'.$theme['td_color2'],
	'T_TD_COLOR3' => '#'.$theme['td_color3'],
	'T_TD_CLASS1' => $theme['td_class1'],
	'T_TD_CLASS2' => $theme['td_class2'],
	'T_TD_CLASS3' => $theme['td_class3'],
	'T_FONTFACE1' => $theme['fontface1'],
	'T_FONTFACE2' => $theme['fontface2'],
	'T_FONTFACE3' => $theme['fontface3'],
	'T_FONTSIZE1' => $theme['fontsize1'],
	'T_FONTSIZE2' => $theme['fontsize2'],
	'T_FONTSIZE3' => $theme['fontsize3'],
	'T_FONTCOLOR1' => '#'.$theme['fontcolor1'],
	'T_FONTCOLOR2' => '#'.$theme['fontcolor2'],
	'T_FONTCOLOR3' => '#'.$theme['fontcolor3'],
	'T_SPAN_CLASS1' => $theme['span_class1'],
	'T_SPAN_CLASS2' => $theme['span_class2'],
	'T_SPAN_CLASS3' => $theme['span_class3'],

	'NAV_LINKS' => $nav_links_html)
);

//
// Login box?
//
if ( !$userdata['session_logged_in'] )
{
	$template->assign_block_vars('switch_user_logged_out', array());
}
else
{
	$template->assign_block_vars('switch_user_logged_in', array());

	if ( !empty($userdata['user_popup_pm']) )
	{
		$template->assign_block_vars('switch_enable_pm_popup', array());
	}
	if( date('Y') == $userdata['user_next_birthday_greeting'])
	{
		$template->assign_block_vars('switch_enable_greeting_popup', array()); 
	}
}

// Work around for "current" Apache 2 + PHP module which seems to not
// cope with private cache control setting
if (!empty($HTTP_SERVER_VARS['SERVER_SOFTWARE']) && strstr($HTTP_SERVER_VARS['SERVER_SOFTWARE'], 'Apache/2'))
{
	header ('Cache-Control: no-cache, pre-check=0, post-check=0, max-age=0');
}
else
{
	header ('Cache-Control: private, pre-check=0, post-check=0, max-age=0');
}
header ('Expires: ' . gmdate('D, d M Y H:i:s', time()) . ' GMT');
header ('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');

$template->pparse('overall_header');

?>