WordPress ブログのホームページを静的にする方法

<?php
$baseCmsUrl = "https://www.ziyouwu.com";
$dmPageName = "index.php";
$stPageName = "index.html";
$tureStFile = dirname(__FILE__).&#39;/&#39;.$stPageName;
{
        $body = file_get_contents($baseCmsUrl.&#39;/&#39;.$dmPageName);
        $fp = fopen($tureStFile, &#39;w&#39;);
        fwrite($fp, $body);
        fclose($fp);
}
if(file_exists("index.html"))
 {
unlink("index.html");
 }
$baseCmsUrl = "https://www.ziyouwu.com";
$dmPageName = "index.php";
$stPageName = "index.html";
$tureStFile = dirname(__FILE__).&#39;/&#39;.$stPageName;
{
        $body = file_get_contents($baseCmsUrl.&#39;/&#39;.$dmPageName);
        $fp = fopen($tureStFile, &#39;w&#39;);
        fwrite($fp, $body);
        fclose($fp);
}
header("Location:$baseCmsUrl/index.html");
?>

RewriteEngine On 
RewriteBase / 
RewriteCond %{THE_REQUEST} ^[A-Z]{3,9}\ /index\.(php|html|htm)\ HTTP/ 
RewriteRule ^index\.(php|html|htm)$ http://www.ziyouwu.com/ [R=301,L]

location / {
     if (!-e $request_filename){
          rewrite ^/(.*)$ /index.html/$1 last;
     }
}