⏪🔗🐘`.php

#backward compatibility #php compatibility #bc layer #legacy php #php bc break #php version compatibility #compatibility script

💾🧩🐘.php

#cache storage #php compatibility #puzzle piece php #data cache #php integration

👵🤝🐘`.php

#backward compatibility #php compatibility #legacy support #php handshake #old code php #interface compatibility #shim php