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UPGRADING.INTERNALS: document ZEND_DECLARE_ATTRIBUTED_CONST #19270

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Jul 29, 2025
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UPGRADING.INTERNALS: document ZEND_DECLARE_ATTRIBUTED_CONST #19270

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5 changes: 5 additions & 0 deletions UPGRADING.INTERNALS
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Expand Up @@ -145,6 +145,11 @@ PHP 8.5 INTERNALS UPGRADE NOTES
4. OpCode changes
========================

* New ZEND_DECLARE_ATTRIBUTED_CONST is used when a global constant is declared
with `const` and has attributes; this opcode is used *instead* of the
ZEND_DECLARE_CONST, and in addition to the name of the constant and the
value to use, has a ZEND_OP_DATA with a pointer to the compiled attributes.

========================
5. SAPI changes
========================