php 生成静态文件

date_default_timezone_set("PRC");   //设置东八区时间 
require "comm.php"; 
ob_start(); 
$id=intval($_GET['id']); 
$sql="select * from article where id = '{$id}'"; 
$rs=$db->query($sql); 
$row=$db->fetch_array($rs,MYSQL_ASSOC); 
$tpl->assign("art",$row); 
$tpl->display("tmp.html"); 
$xhtml=ob_get_contents(); 
$len=ob_get_length(); 
$status=ob_get_status(); 
ob_end_clean(); 
$filename=$id.".html"; 
$fpath="./xhtml/".$filename; 
print_r($status); 
if(is_file($fpath)){ 
    @unlink($fpath); 
} 
$ofilename=fopen("./xhtml/".$filename,"w"); 
if(!is_writable($fpath)){ 
    return false; 
} 
if(!fwrite($ofilename,$xhtml)){ 
    return false; 
} 
?> 

摘自 chaojie2009的专栏