title: cakephp query last seven days
body: <p>I have function to show most readed articles so I did try condtion 
  I want show last most readed last week</p>
  
  <pre><code>   $conditions =  array( "Post.created &gt;" =&gt; date('Y-m-d', strtotime("-1 
  &gt; weeks"))); 
  </code></pre>
  
  <p>the columns in database of created column like this 2011-07-04 05:41:15</p>
  
  <p>but it didn't work well with me</p>