Usage:
This shortcode is identical to [i4w_include], except that it will only include the target file once during the page visit.
This shortcode does NOT supports conditional branching with [ELSE_include_once].Shortcode nesting is NOT supported.
Parameters:
Please refer to the [i4w_include] syntax page.
Example:
Please refer to the [i4w_include] syntax page.
API:
There is no API function equivalent for this shortcode.