title: How to hide some categories in category list under post in wordpress?
body: <p>In My WordPress Blog there are some categories  use for the internal work. I want to hide that categories in blog homepage category list show under each post.</p>
  
  <p>I print category list as <code>print(the_category($postID));</code></p>
  
  <p>How to hide or make filter for that category list print under each post?</p>