Call a view content from Code

<?php
$view_name = 'blog_posts';
$block_name = 'block_2';
$view = views_get_view( $view_name );
$block = module_invoke('views','block', 'view', "$view_name-$block_name");
$view_title = $block['subject']; // doesn't work
$view_title = "Blog posts tagged with <em>{$term->name}</em>";
?>

<h2 class="grey_box"><?php echo $view_title;?></h2>
<?php
$view = views_get_view('taxonomy_elements_view');//tagged_page
echo $view->preview('block', array(arg(2)));
?>