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In PHP 8.2 class declaration can be prefixed with the readonly keyword. Thus, all properties of the class will be readonly. So you don't need to add the read only keyword to any property in this class.
readonly class Post
{
public function __construct(
public string $title,
public Author $author,
public string $body,
public DateTime $publishedAt,
) {}
}
Our parser will fail on this syntax because we do not allow the readonly keyword before the class keyword.
There will be no effect on any rule.
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In PHP 8.2 class declaration can be prefixed with the
readonlykeyword. Thus, all properties of the class will be readonly. So you don't need to add the read only keyword to any property in this class.readonly class Post { public function __construct( public string $title, public Author $author, public string $body, public DateTime $publishedAt, ) {} }Our parser will fail on this syntax because we do not allow the
readonlykeyword before theclasskeyword.There will be no effect on any rule.