WordPress tip: Quick maintenance mode

Paste the following code into your functions.php file. Don’t forget to remove the code once you’re done with maintenance!

function wpr_maintenance_mode() {
    if ( !current_user_can( 'edit_themes' ) || !is_user_logged_in() ) {
        wp_die('Maintenance, please come back soon.');
    }
}
add_action('get_header', 'wpr_maintenance_mode');

Thanks to Skyje for the cool tip!

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