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[ci skip] Be more specific about ext-dom incompatibilities in UPGRADING (#14024)

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The previous text was put there before I decided to add the new classes.
Therefore the only new feature that can affect BC is
compareDocumentPosition(). Only when the declaration is incompatible can
the user experience errors.
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Niels Dossche 2024-04-20 23:21:40 +02:00 committed by GitHub
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9
UPGRADING
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@ -31,11 +31,10 @@ PHP 8.4 UPGRADE NOTES
. The type of PHP_DEBUG and PHP_ZTS constants changed to bool.
- DOM:
. New methods and constants were added to some DOM classes. If you inherit
from these and you happen to have a method or property with the same name,
you might encounter errors if the declaration is incompatible.
Consult sections 2. New Features and 6. New Functions for a list of
newly implemented methods and constants.
. Added DOMNode::compareDocumentPosition() and DOMNode::DOCUMENT_POSITION_*
constants.
If you have a method or constant with the same name, you might encounter errors
if the declaration is incompatible.
. Some DOM methods previously returned false or a PHP_ERR DOMException if a new
node could not be allocated. They consistently throw an INVALID_STATE_ERR
DOMException now. This situation is extremely unlikely though and probably