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https://issues.apache.org/jira/browse/NETBEANS-4822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17359358#comment-17359358
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Jonathan Mills commented on NETBEANS-4822:
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Added some sample code. Additionally, $AA is never set explicitly, so you
might expect a reference to it to generate a warning. This happens only in one
of the two cases.
> variable variable gives incorrect warning of multiple assignment
> ----------------------------------------------------------------
>
> Key: NETBEANS-4822
> URL: https://issues.apache.org/jira/browse/NETBEANS-4822
> Project: NetBeans
> Issue Type: Bug
> Components: php - Editor
> Affects Versions: 12.1
> Environment: Windows 10. This is observed in NetBeans 11.0, 11.3,
> 12.0 and 12.1.
> Reporter: Jonathan Mills
> Priority: Minor
> Attachments: NetBeansVariableVariable.php, Screenshot 2020-11-23 at
> 06.51.08.PNG, netbeans4822-hint.png
>
>
> The code
> {code:php}
> $A="AA";
> $$A=1; // set variable AA
> {code}
> incorrectly generates the warning "You should use only:1 assignment(s) (2
> used)to a variable:$Ato avoid accidentally overwriting it and make your code
> easier to read.
> Additionally, note the lack of spacing in the hint in both cases before the
> word "to" - ")to" and "Ato"
>
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