Doc #54894 [Opn]: array copy semantics with references inside arrays
| From: | googleguy@php.net | Date: | Fri, 20 Jul 2012 00:21:05 +0000 |
| Subject: | Doc #54894 [Opn]: array copy semantics with references inside arrays | ||
| References: | 1 | Groups: | php.doc.bugs |
| Request: | Send a blank email to doc-bugs+get-8586@lists.php.net to get a copy of this message | ||
Edit report at https://bugs.php.net/bug.php?id=54894&edit=1
ID: 54894
Updated by: googleguy@php.net
Reported by: mlvl dot jr at gmail dot com
Summary: array copy semantics with references inside arrays
Status: Open
Type: Documentation Problem
Package: Documentation problem
Operating System: any
PHP Version: Irrelevant
Block user comment: N
Private report: N
New Comment:
I'm not sure what the documentation problem is that you're reporting here. Could
you please elaborate a bit more on what the bug is?
Previous Comments:
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[2011-05-20 15:46:36] mlvl dot jr at gmail dot com
Description:
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There probably should be an explicit reference to this:
"While not being strictly an assignment by reference, expressions created with the language
construct array() can also behave as such by prefixing & to the array element to add.
The page also explains your why your first code behaves like it does:
Note, however, that references inside arrays are potentially dangerous. Doing a normal (not by
reference) assignment with a reference on the right side does not turn the left side into a
reference, but references inside arrays are preserved in these normal assignments. This also applies
to function calls where the array is passed by value." (taken from http://www.php.net/manual/en/language.references.whatdo.php)
at the documentation page for 'array':
http://php.net/manual/en/language.types.array.php
[coming from http://stackoverflow.com/questions/6072444/php-array-copy-semantics-what-it-does-when-members-are-references-and-where-is/]
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Edit this bug report at https://bugs.php.net/bug.php?id=54894&edit=1