flush_rewrite_rules example

'meta_key'   => 'main_site',
                'meta_value' => $current_site->blog_id,
            )
        );

        if ( $subdomain_install ) {
            $wp_rewrite->set_permalink_structure( '/%year%/%monthnum%/%day%/%postname%/' );
        } else {
            $wp_rewrite->set_permalink_structure( '/blog/%year%/%monthnum%/%day%/%postname%/' );
        }

        flush_rewrite_rules();

        if ( ! $subdomain_install ) {
            return true;
        }

        $vhost_ok = false;
        $errstr   = '';
        $hostname = substr( md5( time() ), 0, 6 ) . '.' . $domain; // Very random hostname!         $page     = wp_remote_get(
            'http://' . $hostname,
            array(
                

            do_action( 'after_switch_theme', $old_theme->get( 'Name' ), $old_theme );
        } else {
            /** This action is documented in wp-includes/theme.php */
            do_action( 'after_switch_theme', $stylesheet, $old_theme );
        }

        flush_rewrite_rules();

        update_option( 'theme_switched', false );
    }
}

/** * Includes and instantiates the WP_Customize_Manager class. * * Loads the Customizer at plugins_loaded when accessing the customize.php admin * page or when any request includes a wp_customize=on param or a customize_changeset * param (a UUID). This param is a signal for whether to bootstrap the Customizer when * WordPress is loading, especially in the Customizer preview * or when making Customizer Ajax requests for widgets or menus. * * @since 3.4.0 * * @global WP_Customize_Manager $wp_customize */

$user->set_role( 'administrator' );

        if ( $user_created ) {
            $user->user_url = $guessurl;
            wp_update_user( $user );
        }

        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. */

if ( isset( $_GET['import'] ) && ! defined( 'WP_LOAD_IMPORTERS' ) ) {
    define( 'WP_LOAD_IMPORTERS', true );
}

require_once dirname( __DIR__ ) . '/wp-load.php';

nocache_headers();

if ( get_option( 'db_upgraded' ) ) {

    flush_rewrite_rules();
    update_option( 'db_upgraded', false );

    /** * Fires on the next page load after a successful DB upgrade. * * @since 2.8.0 */
    do_action( 'after_db_upgrade' );

} elseif ( ! wp_doing_ajax() && empty( $_POST )
    && (int) get_option( 'db_version' ) !== $wp_db_version
)

if ( ! get_settings_errors() ) {
        add_settings_error( 'general', 'settings_updated', $message, 'success' );
    }

    set_transient( 'settings_errors', get_settings_errors(), 30 ); // 30 seconds.
    wp_redirect( admin_url( 'options-permalink.php?settings-updated=true' ) );
    exit;
}

flush_rewrite_rules();

require_once ABSPATH . 'wp-admin/admin-header.php';
?> <div class="wrap"> <h1><?php echo esc_html( $title ); ?></h1> <form name="form" action="options-permalink.php" method="post"> <?php wp_nonce_field( 'update-permalink' ); ?> <p> <?php

function update_home_siteurl( $old_value, $value ) {
    if ( wp_installing() ) {
        return;
    }

    if ( is_multisite() && ms_is_switched() ) {
        delete_option( 'rewrite_rules' );
    } else {
        flush_rewrite_rules();
    }
}


/** * Resets global variables based on $_GET and $_POST. * * This function resets global variables based on the names passed * in the $vars array to the value of $_POST[$var] or $_GET[$var] or '' * if neither is defined. * * @since 2.0.0 * * @param array $vars An array of globals to reset. */