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UPGRADING
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UPGRADING
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PHP 7.1 UPGRADE NOTES
1. Backward Incompatible Changes
2. New Features
3. Changes in SAPI modules
4. Deprecated Functionality
5. Changed Functions
6. New Functions
7. New Classes and Interfaces
8. Removed Extensions and SAPIs
9. Other Changes to Extensions
10. New Global Constants
11. Changes to INI File Handling
12. Windows Support
13. Other Changes
========================================
1. Backward Incompatible Changes
========================================
- Core:
. 'void' can no longer be used as the name of a class, interface, or trait.
This applies to declarations, class_alias() and use statements.
========================================
2. New Features
========================================
- Core
. Added void return type, which requires that a function not return a value.
(RFC: https://wiki.php.net/rfc/void_return_type)
========================================
3. Changes in SAPI modules
========================================
========================================
4. Deprecated Functionality
========================================
========================================
5. Changed Functions
========================================
- get_headers() has an extra parameter which allows passing a custom stream
context.
- The first $varname argument for getenv() is no longer mandatory, the
current environment variables will be returned as an associative array
when omitted.
========================================
6. New Functions
========================================
========================================
7. New Classes and Interfaces
========================================
========================================
8. Removed Extensions and SAPIs
========================================
========================================
9. Other Changes to Extensions
========================================
========================================
10. New Global Constants
========================================
========================================
11. Changes to INI File Handling
========================================
========================================
12. Windows Support
========================================
- Core:
. Support for ftok()
========================================
13. Other Changes
========================================