title: cakephp separated meta keywords & description
body: <p>I have website made with cakephp . it has 3 levels Home,sections,articles
  I have separated meta keywords &amp; description for every section &amp; every article.</p>
  
  <p>I put meta description for home page like this </p>
  
  <pre><code>&lt;? if($title_for_layout=="Home"){?&gt;
      &lt;title&gt;&lt;?php echo $this-&gt;Session-&gt;read('Setting.title');?&gt;&lt;/title&gt;
    &lt;?  
    echo $this-&gt;Html-&gt;meta('keywords', $this-&gt;Session-&gt;read('Setting.meta_keywords')); 
    echo $this-&gt;Html-&gt;meta('description', $this-&gt;Session-&gt;read('Setting.meta_description'));
  
    ?&gt;
    &lt;? if($title_for_layout=="Section"){?&gt;
    &lt;title&gt;&lt;?php echo strip_tags(trim($title_for_layout));?&gt;&lt;/title&gt;
  &lt;?
  echo "sawy";
  echo $this-&gt;Html-&gt;meta('keywords', $metaKeywords);
  echo $this-&gt;Html-&gt;meta('description', $metaDescription);
    ?&gt;
  &lt;?  } ?&gt;
      &lt;? }else{ ?&gt;
  &lt;title&gt;&lt;?php echo strip_tags(trim($title_for_layout));?&gt;&lt;/title&gt;
  &lt;?
  echo $this-&gt;Html-&gt;meta('keywords', $metaKeywords.' ,'.$article['Section']['meta_keyword'].' ,'.$this-&gt;Session-&gt;read('Setting.meta_keywords'));
  echo $this-&gt;Html-&gt;meta('description', $metaDescription.' ,'.$article['Section']['meta_description'].' ,'.$this-&gt;Session-&gt;read('Setting.meta_description'));
  ?&gt;
  &lt;?}?&gt;
  </code></pre>
  
  <p>I want tell code if it be section put its keywords &amp; if be article put its keywords.
  because it not work
  here example of urls</p>
  
  <p>domain.com/section/2/programinig
  domain.com/article/9992/learnphp</p>