不能确定这段代码在Framework 上如何工作
多谢诸位。
新到公司， 在Framework MVC 上看到如下代码，看不大懂是不是php，是如何工作的，请教一下。
page.header.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><br>
<html><br>
<head><br>
<title>{C::$DOMAIN} - {$config.title}</title><br>
<link rel="stylesheet" type="text/css" href="{$CSS_URL}" /><br>
<script src="{$JS_URL}"></script><br>
<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1" /><br>
</head><br>
<body marginwidth="0" marginheight="0" topmargin="0" bottommargin="0" leftmargin="0" rightmargin="0"><br>
{if ($debug)}<br>
<div id="debug"><br>
<div id="debug_menu"><br>
<a href="#" id="sql_button">SQL ({count($sql_log)})</a><br>
<a href="#" id="dump_button">DUMP ({count($dump)})</a><br>
<a href="#" id="profile_button">Profile ({$profile.time})</a><br>
</div><br>
<div class="profile_record"><br>
Time: {$profile.time} sec.<br><br>
Memory: {$profile.memory} bytes<br>
</div><br>
{foreach name=dump from=$dump item=item}<br>
<div class="dump_record{if ($smarty.foreach.dump.index % 2)} odd{/if}">Dump: {$item.file}:{$item.line}<br>{$item.dump|nl2br}</div><br>
{/foreach}<br>
{foreach name=sql_log from=$sql_log item=item}<br>
<div class="sql_record{if ($smarty.foreach.sql_log.index % 2)} odd{/if}">Time {$item.time}, {$item.records} records: <br> {$item.query|nl2br}{if ($item.data)} <br><br>{var_dump($item.data)|escape}{/if}</div><br>
{/foreach}<br>
</div><br>
{/if}<br>
<div class="pageTitle"><h1>XYZ - {$config.title}</h1></div><br>
<div class="page" id="{$config.name}"><br>
<div class="pageHeader"><br>
<a name="top"></a><br>
<a href=/><div class="logo"></div></a><br>
{if ($user->logged())}<br>
<iframe id="iframefix" src="#" frameborder="0" scrolling="no"></iframe><br>
<div class="menu"><br>
<ul class="dropdown"><br>
<li class="left"><br>
<a href="{$ROOT_URL}/">Home</a><br>
</li><br>
{if ($user->can_page('users|edituser|editrole'))}<br>
<li class="left"><br>
<a href="javascript:void(0)">Users</a><br>
<ul class="sub_menu"><br>
{if ($user->can_page('users'))}<br>
<li><a href="{$ROOT_URL}/users.html">Users and Roles</a></li><br>
{/if}<br>
{if ($user->can_page('edituser'))}<br>
<li><a href="{$ROOT_URL}/edituser.html">Add User</a></li><br>
{/if}<br>
{if ($user->can_page('editrole'))}<br>
<li><a href="{$ROOT_URL}/editrole.html">Add Role</a></li><br>
{/if}<br>
</ul><br>
</li><br>
{/if}<br>
{if ($user->can_page('warnings'))}<br>
<li class="left" style="background: red"><br>
{if ($user->can_page('warnings'))}<br>
<a href="{$ROOT_URL}/warnings.html">Warnings</a><br>
{/if}<br>
</li><br>
{/if}<br>
{if ($user->can_page('signal_monitoring'))}<br>
<li class="left"> <div class="clear">
</div>
