title: CakePHP : Difference between " $this->fetch('css') & $this->Html->css('cake.generic') in cake php
body: <p>Can Someone please Explain this two line used in CakePHP layout.ctp file. It seems both line used for adding css .Then what is the difference ? How they works.</p>
  
  <pre><code> $this-&gt;Html-&gt;css('cake.generic')
   $this-&gt;fetch('css') 
  </code></pre>