title: PHP how to retrieve array values
body: <p>I have following array, I want to retrieve <code>name</code>, <code>comment</code> and <code>each of the tags</code> (to insert in database. How can i retrieve the array values. Also, can i filter ONLY the tags values which are larger than 3 characters and contains only a-Z0-9 valueus. Thank you very much.</p>
  
  <pre><code>Array
  (
      [folder] =&gt; /test
      [name] =&gt; ajay
      [comment] =&gt; hello world.. test comment
      [item] =&gt; Array
          (
              [tags] =&gt; Array
                  (
                      [0] =&gt; javascript
                      [1] =&gt; coldfusion
                  )
  
          )
  
  )
  </code></pre>