php – Page 13 – Türker Yıldırım

The unique index we could not add, and the duplicates we had to find first

Deep diveNovember 7, 202310 min read

A constraint that should have existed since 2016, and 1,240 rows that violate it. Support merging customer records by hand, monthly.

A PSR-3 context array nobody was reading

NoteOctober 26, 20232 min read

Every log call carried a context array, the log format rendered it as a string, and the aggregator indexed it as one blob. The context array is the…

Mutation testing on the money code only

NoteOctober 26, 20232 min read

A full mutation run takes nine hours; a run over one directory takes eleven minutes and answers the question that matters. The gap between 94% coverage and 71%…

A block with a render callback and no save function

NoteOctober 24, 20231 min read

A block whose output depends on data that changes after the post is saved cannot store markup, and returning null from save is how you say so. The…

Mutation testing for one directory, and what it found

Deep diveOctober 24, 202310 min read

94% line coverage on the pricing code, and a bug that shipped anyway. A test that called the method and asserted it did not throw.

An OpenAPI document generated from the router

NoteOctober 2, 20231 min read

A hand-written specification that had been correct in March and described four endpoints that no longer existed. Generating from the router makes drift impossible in one direction —…

The service provider that ran a query on every request

NoteSeptember 26, 20232 min read

A settings lookup in a provider’s register() method, executed on every request including the ones that never read a setting. The binding was lazy and the line below…

Composer 2.6, and audit as a pipeline step

NoteSeptember 21, 20232 min read

The audit command has been there since 2.4 and had never been run by anything except a person remembering to run it. Two of the four were noise…

A value object library, and the day it needed a serializer

Deep diveSeptember 20, 202310 min read

A Money type, an Email type, and thirty more, none of which can cross a boundary without being unwrapped by hand.

An outbox, and the publisher we removed from the transaction

Deep diveSeptember 20, 202310 min read

An order committed and an event never published, twice in one week. A broker call inside a database transaction, and a rollback after it.