views block display based on url
Turn on php filter module shipped in core, so to get option to add php codes option to set block visibility at the block configuration.

Remember you have to make sure, php code should be appropriate else it will not allow to access the site till you delete the added php codes from database for the block.

Code which might help you

&lt;?php
  if ($_GET['q'] == 'view' &amp;&amp; count($_GET) == 1) {
    return TRUE;  // block will be shown
  }
  return FALSE;
?&gt;