wordpress logout link

<a href="<?php echo wp_logout_url( home_url() ); ?>">Logout</a>

// on your theme -> functions.php -->
add_action('wp_logout','auto_redirect_after_logout');
function auto_redirect_after_logout(){
  wp_safe_redirect( home_url() );
  exit;
}

<a href="<?php echo wp_logout_url( get_permalink() ); ?>" title="Logout">Logout</a>

add_action('wp_logout','auto_redirect_after_logout');

function auto_redirect_after_logout(){
  wp_safe_redirect( home_url() );
  exit;
}