Show static block in template. Magento

show_block.php

<?php 
//Check if block is active
$empty_category_block = Mage::getModel('cms/block')->load('block_id');
 	if($empty_category_block->getIsActive()) : 
    echo $this->getLayout()->createBlock('cms/block')->setBlockId('block_id'.$catid)->toHtml(); 
  endif;
?>

<?php
//Show static block by widget filter
$filter = new Mage_Widget_Model_Template_Filter();
$_widget = $filter->filter('{{widget type="cms/widget_page_link" template="cms/widget/link/link_block.phtml" page_id="2"}}');
echo $_widget;
?>