[jira] Commented: (LOG4PHP-53) Remove references

["Knut Urdalen (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LOG4PHP-53?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12729415#action_12729415 ] 

Knut Urdalen commented on LOG4PHP-53:
-------------------------------------

Just a note from me: Normally it's fine to remove all references, and if working with object handles it's not a problem. However if you potentially can have large amount of data as plain PHP arrays, you mostly do better by using "Pass by Reference" to not copy the whole data structure around and consume less memory. I think we should be aware of these things in a lightweight logging framework.

For the record:

* References Explained: http://www.php.net/manual/en/language.references.php
* Passing by Reference: http://www.php.net/manual/en/language.references.pass.php


> Remove references
> -----------------
>
>                 Key: LOG4PHP-53
>                 URL: https://issues.apache.org/jira/browse/LOG4PHP-53
>             Project: Log4php
>          Issue Type: Improvement
>          Components: Code
>    Affects Versions: 2.0
>            Reporter: Christian Grobmeier
>             Fix For: 2.0
>
>
> According to this:
> http://www.php.net/manual/en/language.oop5.references.php
> PHP treats variable passing like in Java now. This would mean that only object identifiers are passed around, not the object copied. Having that beeing that, we can remove the incosistent & references from the code.

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