Doc #80149 [Com]: Mutually included files
Edit report at https://bugs.php.net/bug.php?id=80149&edit=1
ID: 80149
Comment by: marcio dot a dot siena at gmail dot com
Reported by: marcio dot a dot siena at gmail dot com
Summary: Mutually included files
Status: Feedback
Type: Documentation Problem
Package: Documentation problem
PHP Version: Irrelevant
Block user comment: N
Private report: N
New Comment:
Ok, thanks. Sorry for that.
Maybe add something like that:
- https://www.php.net/manual/en/function.require-once.php
- https://www.php.net/manual/en/function.include-once.php
"The script being requested by the user agent (browser) is considered an already included file,
so include_once() and require_once() on it will have no additional effects. That can be veryfied by
dumping the results of get_included_files()".
Thank you again.
Previous Comments:
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[2020-09-26 19:50:34] requinix@php.net
I wasn't telling you to ragequit. I was saying that
> So one must make tests to be sure about PHP's true behavior.
the current behavior is correct.
@danack asked you
> [The doc is] pretty clear to me. If you don't think it is, can you suggest where and how
> it should be documented?
Are you still willing to answer that?
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[2020-09-26 19:41:51] marcio dot a dot siena at gmail dot com
Ok, I will not argue.
If you have to do a get_included_files() instead of simply and clearly see it stated in the docs, so
be it.
Thank you anyway.
Bye.
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[2020-09-26 19:38:32] requinix@php.net
The documentation does not say "...if the file has already been included by the use of
include/require/include_once/require_once()".
The fact is that a1 was included at the beginning *by PHP*. And that counts. And if you dump
get_included_files() inside a1 then you'll see a1 in the list of files.
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[2020-09-26 12:05:46] marcio dot a dot siena at gmail dot com
Hi.
Sorry if I was not clear.
The main file, a1.php, is the file *requested* by the browser.
Then it includes b1.php. Only THEN, from b1.php, a1.php (the originally requested file) is
included/required.
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[2020-09-25 13:05:04] danack@php.net
"but the require_once in b.php does not re-include a.php. But that behavior is not explicitly
stated in the relevant documentation pages:"
From the manual https://www.php.net/manual/en/function.require-once.php:
"The require_once statement is identical to require except PHP will check if the file has
already been included, and if so, not include (require) it again."
That is pretty clear to me. If you don't think it is, can you suggest where and how it should
be documented?
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