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134 lines
4.5 KiB
Plaintext
134 lines
4.5 KiB
Plaintext
PHP 8.4 UPGRADE NOTES
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1. Backward Incompatible Changes
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2. New Features
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3. Changes in SAPI modules
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4. Deprecated Functionality
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5. Changed Functions
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6. New Functions
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7. New Classes and Interfaces
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8. Removed Extensions and SAPIs
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9. Other Changes to Extensions
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10. New Global Constants
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11. Changes to INI File Handling
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12. Windows Support
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13. Other Changes
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14. Performance Improvements
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========================================
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1. Backward Incompatible Changes
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========================================
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- DOM:
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. New methods and constants were added to some DOM classes. If you inherit
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from these and you happen to have a method or property with the same name,
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you might encounter errors if the declaration is incompatible.
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Consult sections 2. New Features and 6. New Functions for a list of
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newly implemented methods and constants.
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- SimpleXML:
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. Get methods called, or casting to a string on a SimpleXMLElement will no
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longer implicitly reset the iterator data, unless explicitly rewound.
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For example, casting an element to a string within a foreach loop would
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cause an infinite loop because it destroyed the current iterator data.
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This is no longer the case as a consequence of the bugfixes for GH-12192,
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GH-12208, #55098.
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- Standard:
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. round() now validates the value of the $mode parameter and throws a ValueError
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for invalid modes. Previously invalid modes would have been interpreted as
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PHP_ROUND_HALF_UP.
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- XSL:
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. XSLTProcessor::setParameter() will now throw a ValueError when its arguments
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contain null bytes. This never actually worked correctly in the first place,
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which is why it throws an exception nowadays.
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========================================
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2. New Features
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========================================
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- DOM:
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. Added constant DOMNode::DOCUMENT_POSITION_DISCONNECTED.
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. Added constant DOMNode::DOCUMENT_POSITION_PRECEDING.
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. Added constant DOMNode::DOCUMENT_POSITION_FOLLOWING.
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. Added constant DOMNode::DOCUMENT_POSITION_CONTAINS.
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. Added constant DOMNode::DOCUMENT_POSITION_CONTAINED_BY.
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. Added constant DOMNode::DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC.
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- XSL:
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. It is now possible to use parameters that contain both single and double
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quotes.
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========================================
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3. Changes in SAPI modules
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========================================
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========================================
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4. Deprecated Functionality
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========================================
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========================================
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5. Changed Functions
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========================================
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- Standard:
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. The internal implementation for rounding to integers has been rewritten
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to be easier to verify for correctness and to be easier to maintain.
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Some rounding bugs have been fixed as a result of the rewrite. For
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example previously rounding 0.49999999999999994 to the nearest integer
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would have resulted in 1.0 instead of the correct result 0.0. Additional
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inputs might also be affected and result in different outputs compared to
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earlier PHP versions.
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. The default value of the 'cost' option for PASSWORD_BCRYPT for password_hash()
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has been increased from '10' to '12'.
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RFC: https://wiki.php.net/rfc/bcrypt_cost_2023
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========================================
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6. New Functions
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========================================
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- DOM:
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. Added DOMNode::compareDocumentPosition().
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========================================
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7. New Classes and Interfaces
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========================================
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========================================
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8. Removed Extensions and SAPIs
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========================================
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========================================
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9. Other Changes to Extensions
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========================================
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========================================
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10. New Global Constants
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========================================
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- Intl:
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. The IntlDateFormatter class exposes now the new PATTERN constant
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reflecting udat api's UDAT_PATTERN.
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========================================
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11. Changes to INI File Handling
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========================================
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========================================
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12. Windows Support
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========================================
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========================================
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13. Other Changes
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========================================
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========================================
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14. Performance Improvements
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========================================
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* The performance of DOMNode::C14N() is greatly improved for the case without
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an xpath query. This can give a time improvement of easily two order of
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magnitude for documents with tens of thousands of nodes.
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