WordPress at Your Fingertips
function is not described

wp_new_blog_notification() WP 2.1.0

Notifies the site admin that the installation of WordPress is complete.

Sends an email to the new administrator that the installation is complete and provides them with a record of their login credentials.

Hooks from the function

Return

null. Nothing.

Usage

wp_new_blog_notification( $blog_title, $blog_url, $user_id, $password );
$blog_title(string) (required)
Site title.
$blog_url(string) (required)
Site URL.
$user_id(int) (required)
Administrator's user ID.
$password(string) (required)
Administrator's password. Note that a placeholder message is usually passed instead of the actual password.

Changelog

Since 2.1.0 Introduced.

Code of wp_new_blog_notification() WP 5.8.2

function wp_new_blog_notification( $blog_title, $blog_url, $user_id, $password ) {
	$user      = new WP_User( $user_id );
	$email     = $user->user_email;
	$name      = $user->user_login;
	$login_url = wp_login_url();

	$message = sprintf(
		/* translators: New site notification email. 1: New site URL, 2: User login, 3: User password or password reset link, 4: Login URL. */
		__(
			'Your new WordPress site has been successfully set up at:

%1$s

You can log in to the administrator account with the following information:

Username: %2$s
Password: %3$s
Log in here: %4$s

We hope you enjoy your new site. Thanks!

--The WordPress Team
https://wordpress.org/
'
		),
		$blog_url,
		$name,
		$password,
		$login_url
	);

	$installed_email = array(
		'to'      => $email,
		'subject' => __( 'New WordPress Site' ),
		'message' => $message,
		'headers' => '',
	);

	/**
	 * Filters the contents of the email sent to the site administrator when WordPress is installed.
	 *
	 * @since 5.6.0
	 *
	 * @param array $installed_email {
	 *     Used to build wp_mail().
	 *
	 *     @type string $to      The email address of the recipient.
	 *     @type string $subject The subject of the email.
	 *     @type string $message The content of the email.
	 *     @type string $headers Headers.
	 * }
	 * @param WP_User $user          The site administrator user object.
	 * @param string  $blog_title    The site title.
	 * @param string  $blog_url      The site URL.
	 * @param string  $password      The site administrator's password. Note that a placeholder message
	 *                               is usually passed instead of the user's actual password.
	 */
	$installed_email = apply_filters( 'wp_installed_email', $installed_email, $user, $blog_title, $blog_url, $password );

	wp_mail(
		$installed_email['to'],
		$installed_email['subject'],
		$installed_email['message'],
		$installed_email['headers']
	);
}