WordPress.org
Get WordPress
WordPress.org

WordPress Developer Resources

wp_not_installed()

wp_not_installed()

In this article

Back to top

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.

Redirects to the installer if WordPress is not installed.

Description

Dies with an error message when Multisite is enabled.

Source

function wp_not_installed() {
	if ( is_blog_installed() || wp_installing() ) {
		return;
	}

	nocache_headers();

	if ( is_multisite() ) {
		wp_die( __( 'The site you have requested is not installed properly. Please contact the system administrator.' ) );
	}

	require ABSPATH . WPINC . '/kses.php';
	require ABSPATH . WPINC . '/pluggable.php';

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

	wp_redirect( $link );
	die();
}

View all references View on Trac View on GitHub

UsesDescription
wp_installing()wp-includes/load.php

Checks or sets whether WordPress is in “installation” mode.

wp_redirect()wp-includes/pluggable.php

Redirects to another page.

wp_guess_url()wp-includes/functions.php

Guesses the URL for the site.

is_blog_installed()wp-includes/functions.php

Determines whether WordPress is already installed.

nocache_headers()wp-includes/functions.php

Sets the HTTP headers to prevent caching for the different browsers.

__()wp-includes/l10n.php

Retrieves the translation of $text.

is_multisite()wp-includes/load.php

Determines whether Multisite is enabled.

wp_die()wp-includes/functions.php

Kills WordPress execution and displays HTML page with an error message.

Show 3 moreShow less

Changelog

VersionDescription
3.0.0Introduced.

User Contributed Notes

You must log in before being able to contribute a note or feedback.