PSR-0 mapped the entire namespace onto the path, so AppReportBuilder had to live at src/App/Report/Builder.php — the vendor and package name repeated inside a directory that was already…
Testing the same behaviour across several inputs usually produces six near-identical methods, and when the assertion needs changing it has to change six times. A data provider separates…
Composer can install a package either as a downloaded archive or as a git clone. The default depends on package metadata and on whether the version is a…
Five filters over 30,000 variations, and a request that never returns. Replacing EAV meta joins with a denormalised index table kept in sync by product hooks.
Dependency injection is passing collaborators in rather than constructing them inside. A container is a tool for assembling those graphs automatically. The two get conflated so thoroughly that…
A class with a single meaningful method usually ends up named after the verb — PriceFormatter::format() — and read as a stutter at every call site. __invoke() lets…
Wrapping a call in two microtime(true) readings looks like a measurement and is mostly noise: one iteration, no warm-up, and the timing includes whatever the loop and the…