PHP 8.0 INTERNALS UPGRADE NOTES

1. Internal API changes
  a. TBD

2. Build system changes
  a. Abstract
  b. Unix build system changes
  c. Windows build system changes

3. Module changes

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1. Internal API changes
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 a. TBD

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2. Build system changes
========================

  a. Abstract

  b. Unix build system changes

  c. Windows build system changes

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3. Module changes
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