title: PHP remove duplicate values from multidimensional array
body: <p>We can use <code>array_unique()</code> for remove duplicate entry from a single multidimensional array in php.Is it possible to use with multidimensional array? It is not working for me! </p>
  
  <p>Here's what the array looks like</p>
  
  <pre><code>Array (
      [0] =&gt; Array ( [0] =&gt; 1001 [1] =&gt; john [2] =&gt; example )
      [1] =&gt; Array ( [0] =&gt; 1002 [1] =&gt; test [2] =&gt; dreamz )
      [2] =&gt; Array ( [0] =&gt; 1001 [1] =&gt; john [2] =&gt; example )
      [3] =&gt; Array ( [0] =&gt; 1001 [1] =&gt; example [2] =&gt; john )
      [4] =&gt; Array ( [0] =&gt; 1001 [1] =&gt; john [2] =&gt; example )
  )
  </code></pre>
  
  <p>Anybody can please help me...</p>