flatpress/fp-includes/smarty-4.1.0/docs/programmers/api-variables/variable-merge-compiled-includes.md

$merge_compiled_includes

By setting $merge_compiled_includes to TRUE Smarty will merge the compiled template code of subtemplates into the compiled code of the main template. This increases rendering speed of templates using a many different sub-templates.

Individual sub-templates can be merged by setting the inline option flag within the {include} tag. $merge_compiled_includes does not have to be enabled for the inline merge.

::: {.informalexample}

<?php
$smarty->merge_compiled_includes = true;
?>

:::

Note

This is a compile time option. If you change the setting you must make sure that the templates get recompiled.

See also {include} tag