WP CLI errors, "Failed loading ... opcache.so" "xdebug.so" and "Warning: PHP Startup: Unable to load dynamic library ... imagick.so" code unsigned

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iTerm2 and I did not mess with the install because the Homebrew notes say this:

This script installs Homebrew to its preferred prefix ( /usr/local for macOS Intel, /opt/homebrew for Apple Silicon)

So. I’m on an M1, that means I should use /opt/homebrew.

I’m going to try a full uninstall and reinstall though, and clear out some old casks I don’t need anymore.