oop – Page 18 – Türker Yıldırım

Assembling an API skeleton from packages you did not write

Deep diveSeptember 24, 201810 min read

A micro-framework, and the six packages it takes to make it useful. What goes in the starter pack, what does not, and when micro stops paying off.

Custom casts before there were custom casts

NoteSeptember 21, 20182 min read

Storing money as integer cents or a status as a string means every read needs converting, and the accessor pattern spreads that conversion across the model until nobody…

Read a Symfony parameter without injecting the container

SnippetAugust 23, 20181 min read

Parameter type widening, and the interface it unblocks

NoteAugust 13, 20182 min read

Removing a type hint in a child class used to be a fatal error, which meant an interface written with a concrete type could never be relaxed without…

A compiler pass, and the one time you need one

NoteJune 20, 20182 min read

The container is built once and then frozen, and a compiler pass is the hook that runs during that build — which is the only moment you can…

Autowiring, and what the container is allowed to guess

Deep diveMay 17, 201810 min read

services.yaml went from four hundred lines to twelve. Where the guessing stops is the part worth knowing before it stops in production.

A generator can return a value, and getReturn reads it

NoteMay 17, 20182 min read

A generator yields a sequence, and it can also return a single value at the end — which is how a streaming reader reports a summary without breaking…

spl_object_id, and the hash that was never a hash

NoteApril 17, 20182 min read

spl_object_hash returns a 32-character string that looks like a digest and is really an encoded pointer, and pointers get reused — so the identifier of a garbage-collected object…

Repository interfaces belong to the domain, not the ORM

NoteApril 3, 20182 min read

A repository interface that returns Eloquent models and accepts query builders has not abstracted anything — it has renamed the ORM. The named method rather than a generic…

A value object removes a whole class of test

NoteFebruary 21, 20182 min read

Passing money as an integer means every function taking it has to validate it, and every one of those validations needs a test. Passing a type that cannot…