ith-license-validation#errors" rel="noopener noreferrer" target=_"blank">', '</a>' );
			set_transient( 'rocket_check_key_errors', [ $message ] );

			return $return;
		}

		// Translators: %1$s = opening em tag, %2$s = closing em tag, %3$s = opening link tag, %4$s closing link tag.
		$message = __( 'License validation failed. Our server could not resolve the request from your website.', 'rocket' ) . '<br>' . sprintf( __( 'Try clicking %1$sSave Changes%2$s below. If the error persists, follow %3$sthis guide%4$s.', 'rocket' ), '<em>', '</em>', '<a href="https://docs.wp-rocket.me/article/100-resolving-problems-with-license-validation#general" rel="noopener noreferrer" target=_"blank">', '</a>' );
		set_transient( 'rocket_check_key_errors', [ $message ] );

		return $return;
	}

	$rocket_options                   = [];
	$rocket_options['consumer_key']   = $json->data->consumer_key;
	$rocket_options['consumer_email'] = $json->data->consumer_email;

	if ( ! $json->success ) {
		$messages = [
			// Translators: %1$s = opening link tag, %2$s = closing link tag.
			'BAD_LICENSE' => __( 'Your license is not valid.', 'rocket' ) . '<br>' . sprintf( __( 'Make sure you have an active %1$sWP Rocket license%2$s.', 'rocket' ), '<a href="https://wp-rocket.me/" rel="noopener noreferrer" target="_blank">', '</a>' ),
			// Translators: %1$s = opening link tag, %2$s = closing link tag, %3$s = opening link tag.
			'BAD_NUMBER'  => __( 'You have added as many sites as your current license allows.', 'rocket' ) . '<br>' . sprintf( __( 'Upgrade your %1$saccount%2$s or %3$stransfer your license%2$s to this domain.', 'rocket' ), '<a href="https://wp-rocket.me/account/" rel="noopener noreferrer" target=_"blank">', '</a>', '<a href="https://docs.wp-rocket.me/article/28-transfering-your-license-to-another-site" rel="noopener noreferrer" target=_"blank">' ),
			// Translators: %1$s = opening link tag, %2$s = closing link tag.
			'BAD_SITE'    => __( 'This website is not allowed.', 'rocket' ) . '<br>' . sprintf( __( 'Please %1$scontact support%2$s.', 'rocket' ), '<a href="https://wp-rocket.me/support/" rel="noopener noreferrer" target=_"blank">', '</a>' ),
			// Translators: %1$s = opening link tag, %2$s = closing link tag.
			'BAD_KEY'     => __( 'This license key is not recognized.', 'rocket' ) . '<ul><li>' . sprintf( __( 'Login to your WP Rocket %1$saccount%2$s', 'rocket' ), '<a href="https://wp-rocket.me/account/" rel="noopener noreferrer" target=_"blank">', '</a>' ) . '</li><li>' . __( 'Download the zip file', 'rocket' ) . '<li></li>' . __( 'Reinstall', 'rocket' ) . '</li></ul>' . sprintf( __( 'If the issue persists, please %1$scontact support%2$s.', 'rocket' ), '<a href="https://wp-rocket.me/support/" rel="noopener noreferrer" target=_"blank">', '</a>' ),
		];

		$rocket_options['secret_key'] = '';

		// Translators: %s = error message returned.
		set_transient( 'rocket_check_key_errors', [ sprintf( __( 'License validation failed: %s', 'rocket' ), $messages[ $json->data->reason ] ) ] );

		Logger::error(
			'License validation failed.',
			[
				'license validation process',
				'response_error' => $json->data->reason,
			]
		);

		set_transient( rocket_get_constant( 'WP_ROCKET_SLUG' ), $rocket_options );
		return $rocket_options;
	}

	$rocket_options['secret_key'] = $json->data->secret_key;

	if ( ! get_rocket_option( 'license' ) ) {
		$rocket_options['license'] = '1';
	}

	Logger::info( 'License validation successful.', [ 'license validation process' ] );

	set_transient( rocket_get_constant( 'WP_ROCKET_SLUG' ), $rocket_options );
	delete_transient( 'rocket_check_key_errors' );
	rocket_delete_licence_data_file();

	return $rocket_options;
}

/**
 * Deletes the licence-data.php file if it exists
 *
 * @since 3.5
 * @author Remy Perona
 *
 * @return void
 */
function rocket_delete_licence_data_file() {
	if ( is_multisite() ) {
		return;
	}

	$rocket_path = rocket_get_constant( 'WP_ROCKET_PATH' );

	if ( ! rocket_direct_filesystem()->exists( $rocket_path . 'licence-data.php' ) ) {
		return;
	}

	rocket_direct_filesystem()->delete( $rocket_path . 'licence-data.php' );
}

/**
 * Is WP a MultiSite and a subfolder install?
 *
 * @since  3.1.1
 * @author Grégory Viguier
 *
 * @return bool
 */
function rocket_is_subfolder_install() {
	global $wpdb;
	static $subfolder_install;

	if ( isset( $subfolder_install ) ) {
		return $subfolder_install;
	}

	if ( is_multisite() ) {
		$subfolder_install = ! is_subdomain_install();
	} elseif ( ! is_null( $wpdb->sitemeta ) ) {
		$subfolder_install = ! $wpdb->get_var( "SELECT meta_value FROM $wpdb->sitemeta WHERE site_id = 1 AND meta_key = 'subdomain_install'" );  // phpcs:ignore WordPress.DB.DirectDatabaseQuery
	} else {
		$subfolder_install = false;
	}

	return $subfolder_install;
}

/**
 * Get the name of the "home directory", in case the home URL is not at the domain's root.
 * It can be seen like the `RewriteBase` from the .htaccess file, but without the trailing slash.
 *
 * @since  3.1.1
 * @author Grégory Viguier
 *
 * @return string
 */
function rocket_get_home_dirname() {
	static $home_root;

	if ( isset( $home_root ) ) {
		return $home_root;
	}

	$home_root = wp_parse_url( rocket_get_main_home_url() );

	if ( ! empty( $home_root['path'] ) ) {
		$home_root = '/' . trim( $home_root['path'], '/' );
		$home_root = rtrim( $home_root, '/' );
	} else {
		$home_root = '';
	}

	return $home_root;
}

/**
 * Get the URL of the site's root. It corresponds to the main site's home page URL.
 *
 * @since  3.1.1
 * @author Grégory Viguier
 *
 * @return string
 */
function rocket_get_main_home_url() {
	static $root_url;

	if ( isset( $root_url ) ) {
		return $root_url;
	}

	if ( ! is_multisite() || is_main_site() ) {
		$root_url = rocket_get_home_url( '/' );
		return $root_url;
	}

	$current_network = get_network();

	if ( $current_network ) {
		$root_url = set_url_scheme( 'https://' . $current_network->domain . $current_network->path );
		$root_url = trailingslashit( $root_url );
	} else {
		$root_url = rocket_get_home_url( '/' );
	}

	return $root_url;
}