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PHP 7.4 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
========================================

- Intl:
  . The default parameter value of idn_to_ascii() and idn_to_utf8() is now
    INTL_IDNA_VARIANT_UTS46 instead of the deprecated INTL_IDNA_VARIANT_2003.

========================================
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
========================================

- Intl:
  . The Intl extension now requires at least ICU 50.1.

- Reflection:
  . Numeric value of class, property, function and constant modifiers was
    changed. Don't filter methods and properties through
    ReflectionClass::getMethods() and ReflectionClass::getProperties(), or test
    results of Reflection...::getModifiers(), using hard-coded numeric values.
    Use corresponding constants instead (e.g. ReflectionMethod::IS_PUBLIC).

========================================
10. New Global Constants
========================================

========================================
11. Changes to INI File Handling
========================================

========================================
12. Windows Support
========================================

========================================
13. Other Changes
========================================