wp_install

Source code

function wp_install( $blog_title, $user_name, $user_email, $public, $deprecated = '', $user_password = '' ) {

	global $wp_rewrite;



	if ( !empty( $deprecated ) )

		_deprecated_argument( __FUNCTION__, '2.6' );



	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);



	$guessurl = wp_guess_url();



	update_option('siteurl', $guessurl);



	// If not a public blog, 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 blogs.  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;

	} else if ( !$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_rewrite->flush_rules();



	wp_new_blog_notification($blog_title, $guessurl, $user_id, ($email_password ? $user_password : __('The password you chose during the install.') ) );



	wp_cache_flush();



	return array('url' => $guessurl, 'user_id' => $user_id, 'password' => $user_password, 'password_message' => $message);

}