php7.4-brew-install-failed

1. brew edit php@7.4
2. Look for disable! date: "2022-11-28", because: :versioned_formula. Change 2022 to 2024 (or later).
3. HOMEBREW_NO_INSTALL_FROM_API=1 brew install --build-from-source php@7.4

brew php 降级icu4c

1. cd $(brew —prefix)/Homebrew/Library/Taps/homebrew/homebrew-core/Formula 2.  git log —follow icu4c.rb
2. 找到70版本icu4c，checkout commit id
3.  HOMEBREW_NO_AUTO_UPDATE=1   brew reinstall icu4c