Interfaces are a great tool for writing maintainable applications, but it is possible to go "too far" with abstraction. Or maybe, it's a bad use of time to write an abstraction up front before you really know you need it. We discuss some trade-offs and examples.

• (00:00) - Life before interfaces in PHP
• (02:30) - Going too far with interfaces
• (04:45) - A discussion with payment gateways
• (07:30) - Abstracting the database as another trap
• (09:15) - Laravel makes good use of interfaces
• (10:05) - Silly bit

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