How to call static block in magento

How to call static block in magento? (CMS ----> static block in the System Panel)
A: If you want to place static content, such as an advertisement or promotion information, somewhere on the site page, there is no need to create a block for such things. You can use static block in CMS. Remember the ID of the static block and call it on the website.
Call static Block
Three places, three methods

In phtml

<?php echo $this->getLayout()->createBlock(‘cms/block‘)->setBlockId(‘block_id‘)->toHtml() ?>

　　

In XML

<block type="cms/block" name="block_name">                <action method="setBlockId"><block_id>test_block</block_id></action>            </block>

 

CMS

{{block type="cms/block" name="block_name"  block_id="block_id" }}

 

How to call static block in magento