php - Disable cache ONLY in header


I know this is a wide question, but I'd like to know which approach you take for achieving this.

Currently I am developing a project which is cached with WP Super Cache plugin. In the header (which is displayed, of course, in every page), there's a message that says "Hello 'nameoftheloggeduser'". I don't want to cache this part of the code, so as the message changes if you log out or if you log in with another account.

<ul id="user-menu" class="menu">
    <?php if ($up->current_user->ID == 0) : ?>
       <li><a href="<?php echo get_permalink($up->signup_page) ?>">Sign 
       <li><a href="<?php echo get_permalink($up->profile_page) ?>">Log 
       <?php else : ?>
       <li><a href="<?php echo get_permalink($up->profile_page) ?>">Hello, <? 
       = $up->current_user_data->first_name ?></a></li>
       <?php endif; ?></ul>

Any idea?




According to the WP Super Cache, static html pages are only served to users who are not logged in so I don't think you have anything to worry about.

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