I think the CoC should start with a stated goal. Something like:
PHP is a widely-used open source general-purpose scripting language that is especially suited for web development. It is used by millions of developers world wide, regardless of level of experience, gender, gender identity and expression, sexual orientation, disability, personal appearance, body size, race, ethnicity, age, religion, or nationality. As project maintainers we are committed to making participation in this project a comfortable experience for everyone,
I think the CoC should start with a stated goal. Something like: