include_once; language construct or function

[email protected] (Brett Funderburg)
Newsgroups php.version4
Organization clickfeed.com
Message-ID <[email protected]>
Are statements like 'include_once' and 'use' (isn't there also a
'require_once') considered language constructs or functions. That is,
should you use () to surround the operand?

brett

-- 
                Brett A. Funderburg
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