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Fix detection of class usage in double-quoted strings and heredoc #1661

Merged
merged 1 commit into from
Mar 9, 2024
Merged

Fix detection of class usage in double-quoted strings and heredoc #1661

merged 1 commit into from
Mar 9, 2024

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c01l
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@c01l c01l commented Feb 6, 2024

I encountered a bug in Sniffs.Namespaces.UnusedUsesSniff that resulted in reporting too many "unused" classes, if a class instantiation occurred inside of a double quoted string or heredoc.

Quick example (HTML composition):

<?php

use SomeNamespace\MessageBox;

$_ = fn($x) => strval($x);
$html .= <<<HTML
<div>
   <div>...</div>
   {$_(new MessageBox("User did something wrong."))}
</div>
HTML
<?php

namespace SomeNamespace;

class MessageBox {
  public function __construct(private string $msg) {}
  public function __toString(): string {
    return "<div class='alert alert-danger'>$this->msg</div>";
  }
}

I added some tests for this case and added logic for detecting T_NEW T_STRING as class references.

@kukulich
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kukulich commented Mar 9, 2024

Thanks.

@kukulich kukulich merged commit 74b296b into slevomat:master Mar 9, 2024
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@kukulich kukulich added the Bug label Mar 9, 2024
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@c01l @kukulich