php加泛域名实现博客二级域名

*.example.com.  3600  IN  A  你的服务器IP

<VirtualHost *:80>
    ServerName example.com
    DocumentRoot /var/www/html

    <Directory "/var/www/html">
        Options Indexes FollowSymLinks
        AllowOverride All
        Require all granted
    </Directory>
</VirtualHost>

<VirtualHost *:80>
    ServerName *.example.com
    DocumentRoot /var/www/blogs
    VirtualDocumentRoot /var/www/blogs/%1

    <Directory "/var/www/blogs">
        Options Indexes FollowSymLinks
        AllowOverride All
        Require all granted
    </Directory>
</VirtualHost>

<?php
$host = $_SERVER['HTTP_HOST'];
$subdomain = str_replace('www.', '', strstr($host, '.'));

// 根据子域名加载对应的博客内容
if (!empty($subdomain)) {
    $blogPath = __DIR__ . '/' . $subdomain;
    if (is_dir($blogPath)) {
        // 加载博客内容
        include($blogPath . '/index.php');
    } else {
        header('HTTP/1.0 404 Not Found');
        echo 'Blog not found';
    }
} else {
    header('HTTP/1.0 403 Forbidden');
    echo 'Invalid request';
}
?>