HomeBrew is not the only package manager on macOS. https://github.com/libvips/php-vips/blob/2e9280ba6e7dcc3c70c8ec007c35075215b71f46/src/FFI.php#L298 MacPorts is an equally-valid package manager, which stores binaries in a different location. Vips is installed at the following location when using MacPorts... ``` /opt/local/bin/vips ``` I'll do a pull request for your consideration.