title: How do i get unique value from an array?
body: <pre><code>$a=array("a"=&gt;"Cat","b"=&gt;"Dog","c"=&gt;"Cat");
  </code></pre>
  
  <p>From the above array i need the value Dog alone. how can i get the unique value from an array?. is there any functions in php?...</p>
  
  <p>Thanks
  Ravi</p>