title: How to combine two string in Smarty?
body: <p>Why doesn't this work in Smarty?</p>
  
  <pre><code>{my_function($test.'a1')}
  </code></pre>
  
  <p>It's showing following error: </p>
  
  <pre>Fatal error: Uncaught exception 'SmartyCompilerException' with message
  'Syntax Error in template "test.tpl" on line 1 "{my_function($test.'a1')}"
  Unexpected "'a1'", expected one of: "{" , "$" , "identifier" , INTEGER' in...
  </pre>