title: How can i get gallery images from gallery Shortcode in wordpress?
body: <p>I have wordpress page with content and image gallery. when i print_r my content,it shows like below</p>
  
  <pre><code>    stdClass Object
  (
      [ID] =&gt; 4558
      [post_author] =&gt; 1
      [post_date] =&gt; 2011-09-22 05:34:44
      [post_date_gmt] =&gt; 2011-09-22 05:34:44
      [post_content] =&gt; 
  
  Nayer has pursued her passion for art since childhood. 
  She believes that art should have a positive influence in the world and on our life experiences. 
  She studied in Persia at Tehran University and at California State University, Los Angeles.
  
  
  
      [gallery link="file" columns="2"]
  
          [post_title] =&gt; About the Water Artist
          [post_excerpt] =&gt; 
          [post_status] =&gt; publish
          [comment_status] =&gt; open
          [ping_status] =&gt; open
          [post_password] =&gt; 
          [post_name] =&gt; about-the-water-artist
          [to_ping] =&gt; 
          [pinged] =&gt; 
          [post_modified] =&gt; 2011-11-22 04:59:58
          [post_modified_gmt] =&gt; 2011-11-22 04:59:58
          [post_content_filtered] =&gt; 
          [post_parent] =&gt; 0
          [guid] =&gt; http://nagu.wordpress.net/?page_id=4558
          [menu_order] =&gt; 0
          [post_type] =&gt; page
          [post_mime_type] =&gt; 
          [comment_count] =&gt; 0
          [ancestors] =&gt; Array
              (
              )
  
          [filter] =&gt; raw
      )
  </code></pre>
  
  <p>from the above response in [post_content] i found gallery shortcode [gallery link="file" columns="2"]. the images are not shown.</p>
  
  <p>Is there any possibility to extract the images url alone using that shortcode from post content?.</p>