<input type="button" value="<?php 
_e('Show WP_CRM_F::user_object_structure()', 'wp_crm');
?>
" id="" class='wp_crm_toggle_something'> <span id="" class="wp_crm_toggle_something wp_crm_link hidden"><?php 
_e('Cancel', 'wp_crm');
?>
</span>
        <pre class="wp_crm_class_pre hidden"><?php 
_e('All possible meta keys:', 'wp_crm');
?>
          <?php 
print_r(WP_CRM_F::user_object_structure());
?>
          <?php 
_e('Root Only:', 'wp_crm');
print_r(WP_CRM_F::user_object_structure('root_only=true'));
?>

         </pre>
      </div>

      <div class="wp_crm_settings_block">
        <?php 
_e('Lookup a user object by its ID.', 'wp_crm');
?>
        <input type="input" value="<?php 
echo get_current_user_id();
?>
" id="wp_crm_user_id">
        <input type="button" value="<?php 
_e('Load User', 'wp_crm');