title: Unique visitor hit count with PHP for multiple pages
body: <p>I have a "blog" type website and I want to know how many visits each post gets (unique visitors).</p>
  
  <p>I want to store this "visit" count in the "posts" table as a single integer value.</p>
  
  <p>What's the best way to do this? Do I need to create another table for storing IPs and checking for duplicates or is there a simpler way to do this?</p>