What are common errors to avoid when integrating PHP code blocks in Smarty templates?

One common error to avoid when integrating PHP code blocks in Smarty templates is forgetting to properly escape PHP code within the template. This can lead to syntax errors or unexpected behavior. To avoid this issue, make sure to properly escape PHP code using {literal} tags in Smarty templates. Example: ``` {literal} <?php // Your PHP code here ?> {/literal} ```