WordPress Version: 5.1
/**
* Installs the site.
*
* Runs the required functions to set up and populate the database,
* including primary admin user and initial options.
*
* @since 2.1.0
*
* @param string $blog_title Site title.
* @param string $user_name User's username.
* @param string $user_email User's email.
* @param bool $public Whether site is public.
* @param string $deprecated Optional. Not used.
* @param string $user_password Optional. User's chosen password. Default empty (random password).
* @param string $language Optional. Language chosen. Default empty.
* @return array Array keys 'url', 'user_id', 'password', and 'password_message'.
*/
function wp_install($blog_title, $user_name, $user_email, $public, $deprecated = '', $user_password = '', $language = '')
{
if (!empty($deprecated)) {
_deprecated_argument(__FUNCTION__, '2.6.0');
}
wp_check_mysql_version();
wp_cache_flush();
make_db_current_silent();
populate_options();
populate_roles();
update_option('blogname', $blog_title);
update_option('admin_email', $user_email);
update_option('blog_public', $public);
// Freshness of site - in the future, this could get more specific about actions taken, perhaps.
update_option('fresh_site', 1);
if ($language) {
update_option('WPLANG', $language);
}
$guessurl = wp_guess_url();
update_option('siteurl', $guessurl);
// If not a public site, don't ping.
if (!$public) {
update_option('default_pingback_flag', 0);
}
/*
* Create default user. If the user already exists, the user tables are
* being shared among sites. Just set the role in that case.
*/
$user_id = username_exists($user_name);
$user_password = trim($user_password);
$email_password = false;
if (!$user_id && empty($user_password)) {
$user_password = wp_generate_password(12, false);
$message = __('<strong><em>Note that password</em></strong> carefully! It is a <em>random</em> password that was generated just for you.');
$user_id = wp_create_user($user_name, $user_password, $user_email);
update_user_option($user_id, 'default_password_nag', true, true);
$email_password = true;
} elseif (!$user_id) {
// Password has been provided
$message = '<em>' . __('Your chosen password.') . '</em>';
$user_id = wp_create_user($user_name, $user_password, $user_email);
} else {
$message = __('User already exists. Password inherited.');
}
$user = new WP_User($user_id);
$user->set_role('administrator');
wp_install_defaults($user_id);
wp_install_maybe_enable_pretty_permalinks();
flush_rewrite_rules();
wp_new_blog_notification($blog_title, $guessurl, $user_id, $email_password ? $user_password : __('The password you chose during installation.'));
wp_cache_flush();
/**
* Fires after a site is fully installed.
*
* @since 3.9.0
*
* @param WP_User $user The site owner.
*/
do_action('wp_install', $user);
return array('url' => $guessurl, 'user_id' => $user_id, 'password' => $user_password, 'password_message' => $message);
}