phpstan – Türker Yıldırım

A year of property hooks, and the three I would not write again

Deep diveFebruary 19, 202610 min read

218 methods became properties in December 2024, and a year of living with a syntax that hides work.

An analyser rule for hooks that reach outside the object

NoteFebruary 13, 20262 min read

A convention that had been enforced by review, expressed as a rule after review failed twice. The rule is crude — it forbids calling anything on a collaborator,…

Ten years of a codebase, read in one week

Deep diveOctober 9, 202510 min read

A decade of an application, and a week spent reading it rather than changing it. Decisions re-litigated because nobody knows what is already there.

A generic collection annotation that the analyser could not follow

NoteJune 20, 20252 min read

A template annotation that was correct, and a call site the analyser widened to mixed anyway. A class name in a variable is where the type system ends,…

Static analysis at level 10, and the four errors that stayed

NoteMarch 12, 20252 min read

Level 10 treats every unspecified type as mixed rather than as a wildcard, which is the last real step and finds a specific class of gap. The two…

Property hooks, and the getter that was a habit

Deep diveDecember 16, 202410 min read

8.4 on 21 November, and a property can have a getter without being a method. 412 getters that return a property unchanged.

The migration Rector wrote and we rewrote

Deep diveFebruary 7, 202410 min read

An automated refactor across 412 files, a diff of 8,000 lines, and three wrong hunks in it. The review nobody could actually do.

Typed class constants, and the interface that had been lying

Deep diveDecember 7, 202310 min read

8.3 on 23 November, and a constant can finally declare a type. An interface constant documented as a string, implemented as an int in one class.

The method that stopped overriding anything in 2019

Deep diveDecember 5, 202310 min read

#[Override] in 8.3, and what it asserts. A subclass method dead since a parent rename four years ago, with a bug report closed as not reproducible.

Two years of deprecations, and the upgrade we could no longer defer

Deep diveJune 6, 202314 min read

PHP 8.0 reaches end of life in November and the application is on it. 4,100 deprecation notices, and a log filter that had been hiding them.