create_empty_blog()

create_empty_blog()函数是Wordpress函数，创建一个空博客。

create_empty_blog( string $domain, string $path, string $weblog_title, int $site_id = 1 )

参数（Parameters）

返回（Return）

（string|int）新建博客的ID

源码（Source）

/**
 * Create an empty blog.
 *
 * @since MU 1.0
 *
 * @param string $domain       The new blog's domain.
 * @param string $path         The new blog's path.
 * @param string $weblog_title The new blog's title.
 * @param int    $site_id      Optional. Defaults to 1.
 * @return string|int The ID of the newly created blog
 */
function create_empty_blog( $domain, $path, $weblog_title, $site_id = 1 ) {
	if ( empty($path) )
		$path = '/';
	// Check if the domain has been used already. We should return an error message.
	if ( domain_exists($domain, $path, $site_id) )
		return __( 'ERROR: Site URL already taken.' );
	// Need to back up wpdb table names, and create a new wp_blogs entry for new blog.
	// Need to get blog_id from wp_blogs, and create new table names.
	// Must restore table names at the end of function.
	if ( ! $blog_id = insert_blog($domain, $path, $site_id) )
		return __( 'ERROR: problem creating site entry.' );
	switch_to_blog($blog_id);
	install_blog($blog_id);
	restore_current_blog();
	return $blog_id;
}