Smarty Manual
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# Attributes

Most of the functions take attributes that specify or modify their behavior. Attributes to Smarty functions are much like HTML attributes. Static values don't have to be enclosed in quotes, but it is recommended for literal strings. Variables may also be used, and should not be in quotes.

Some attributes require boolean values (`TRUE` or `FALSE`). These can be specified as either unquoted `true`, `on`, and `yes`, or `false`, `off`, and `no`.

Example 3-4. function attribute syntax
    {include file='header.tpl'}

    {include file='header.tpl' attrib_name='attrib value'}

    {include file=$includeFile}

    {include file=#includeFile# title='Smarty is cool'}

    {html_select_date display_days=yes}

    {mailto address='smarty@example.com'}

    <select name='company_id'>
      {html_options options=$companies selected=$company_id}
    </select>

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