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There are a bazillion plugins that does this. And every time I use one, I end up spending hours trying to style the message (and logo and background) to fit the styling of the page.

So I was wondering if I could make one easily myself, by using this function:

function custom_maintenance_page() {
  if ( ! is_user_logged_in() ) {
    if( $_SERVER['REQUEST_URI'] != '/under-maintenance/' ){
      wp_redirect( 'https://example.org/under-maintenance' );
    }
  }
}
add_action( 'template_redirect', 'custom_maintenance_page' );

And then making a new page, with a custom page template, with the 'Under Maintenance'-message. And also, - I could add some CSS like this:

body.page-template-page-under-maintenance {

  header,
  footer {
    display: none !important;
  }
}

Upsides:

  • The styling for the page is the same, so Google Analytics, stylings and all that are the same.
  • It's quick and easy to implement.
  • It's not relying on 3rd party code.
  • The customer can still work on the site, when they're logged in.

Downsides

  • People would be able to remove the display: none and see the header and footer. However, - if the visit other pages, then they're redirected to the same one, since they're not logged in.
  • The API is still open.

My question is... Am I missing an obvious flaw in this? Or would this work alright?

-1

Add this to your header.php file.

if(!is_user_logged_in()) {
    wp_die('This site is currently undergoing maintenance.');
}

You can replace This site is currently undergoing maintenance. with whatever message you want to show.

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