php – Page 33 – Türker Yıldırım

A WordPress plugin with a test suite that runs in CI

Deep diveMarch 18, 202110 min read

A plugin on forty sites and no test that was not a person clicking. WordPress is a global, and the matrix is the actual value.

A read model that is allowed to be wrong for four seconds

Deep diveMarch 17, 202114 min read

A report query with eleven joins, run on every dashboard load. One model cannot be shaped for both writing and reading past a certain size.

Log lines that a machine can read

Deep diveMarch 4, 202110 min read

A grep that needed three regular expressions and a sort. A log line written for a person to read at leisure is not a record you can query.

The cache that returned stale data for eleven days

Deep diveMarch 4, 202110 min read

A price change that took eleven days to reach one page. Three caches, and only one of them was being cleared.

iterable is not countable, and count() is a fatal

NoteFebruary 24, 20212 min read

iterable accepts an array or a Traversable, and only one of those can be counted without consuming it. A generator has no length until it has finished, which…

An OpenAPI document that is the test suite’s source of truth

Deep diveFebruary 23, 202110 min read

3.1 lands in February with real JSON Schema. Generating docs from code fixes half the problem; making the document the contract fixes the other half.

The N+1 that only appeared in the API serialiser

Deep diveFebruary 14, 202110 min read

A controller with eager loading and four hundred queries anyway, because the query count depends on which fields the client asked for.

Named arguments through an interface are a gamble

NoteFebruary 11, 20212 min read

PHP does not require an implementation to use the same parameter names as the interface it satisfies, so a named argument through an interface type is only as…

A queue worker that stops cleanly

Deep diveFebruary 11, 202110 min read

A deploy killed a worker mid-job and a customer was charged without an order. SIGTERM, a grace period that was too short, and the job that must be…

realpath_cache_size, on a codebase with ten thousand files

NoteJanuary 29, 20211 min read

PHP caches resolved paths and the default size is small enough to thrash on a modern dependency tree. Every miss is a stat syscall, and a framework autoloading…