- Add support for array references using byRef flag in ArrayExpressionTrait
- Modify hasReference check in array parsing logic to handle mixed references
- Implement reference value parsing with proper error handling for unpacking
- Enhance foreach reference binding with improved type checking and error messages
- Add proper scope handling for foreach iterators with class context
- Update foreach value assignment to use correct reference expression syntax
- Implement structural mutation protection for std containers during iteration
- Add comprehensive test coverage for foreach edge cases and reference mutations
- Document std container modification restrictions during foreach loops
- Update yield from and foreach documentation for iterator handling differences
- Replaced all occurrences of self::TYPE_* with Type::* in AnonClassGenerator.php
- Updated ArrayExpressionTrait.php to use Type::ARRAY and Type::VAR instead of self::TYPE_*
- Modified AssignOpTrait.php to reference Type constants instead of self::TYPE_*
- Changed BinaryOpTrait.php to use Type::BIGINT, Type::DECIMAL, Type::BIGFLOAT constants
- Updated CallArgumentGenerator.php to use Type::ARRAY and Type::REF constants
- Added Type import statements to all modified files
- Maintained same functionality while improving code consistency with Type namespace
- Move array parsing logic from CompilerBase to new ArrayExpressionTrait
- Extract globals array dimension fetch handling to the trait
- Separate writable identifier parsing into the trait
- Move array dimension fetch read/update logic to the trait
- Extract mixed array parsing functionality to the trait
- Add proper trait usage in CompilerBase class
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