This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

wp_not_installed()

Redirect to the installer if ClassicPress is not installed.

Description

Dies with an error message when Multisite is enabled.

Source

File: wp-includes/load.php 

function wp_not_installed() {
	if ( is_multisite() ) {
		if ( ! is_blog_installed() && ! wp_installing() ) {
			nocache_headers();

			wp_die( __( 'The site you have requested is not installed properly. Please contact the system administrator.' ) );
		}
	} elseif ( ! is_blog_installed() && ! wp_installing() ) {
		nocache_headers();

		require( ABSPATH . WPINC . '/kses.php' );
		require( ABSPATH . WPINC . '/pluggable.php' );
		require( ABSPATH . WPINC . '/formatting.php' );

		$link = wp_guess_url() . '/wp-admin/install.php';

		wp_redirect( $link );
		die();
	}
}

Expand Source Code View on GitHub

Related

Uses

Uses
Uses Description
wp-includes/l10n.php: __()

Retrieve the translation of $text.
wp-includes/pluggable.php: wp_redirect()

Redirects to another page.
wp-includes/load.php: is_multisite()

If Multisite is enabled.
wp-includes/load.php: wp_installing()

Check or set whether ClassicPress is in “installation” mode.
wp-includes/functions.php: wp_guess_url()

Guess the URL for the site.
wp-includes/functions.php: wp_die()

Kill ClassicPress execution and display HTML message with error message.
wp-includes/functions.php: is_blog_installed()

Test whether ClassicPress is already installed.
wp-includes/functions.php: nocache_headers()

Set the headers to prevent caching for the different browsers.
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Changelog

Changelog
Version Description
WP-3.0.0 Introduced.