title: When case update query in zend framework
body: <p>Here is my mysql query </p>
  
  <pre><code>UPDATE uss20_prj_avunea.tbl_loc_images SET img_sortorder = CASE img_id WHEN 210 THEN 1 WHEN 211 THEN 2 WHEN 67 THEN 3 WHEN 62 THEN 4 WHEN 207 THEN 5 WHEN 208 THEN 6 WHEN 209 THEN 7 END WHERE img_id IN ( 210, 211, 67, 62, 207, 208, 209 )
  </code></pre>
  
  <p>I have dynamic image id group it can be increase or decrease 
  anyone can help me to create zend pdo for above mysql query </p>