PHPStan’s Baseline Feature Lets You Hold New Code to a Higher Standard

  1. Upgrade to a new and more capable version of PHPStan might represent a substantial amount of work —you need to fix all the new errors to keep the same level of analysis.
  2. Developers are missing out on real bugs when they’re running one of the lower levels.
  3. Introducing new advanced custom rules also comes with the need to fix all the violations before the ability to use them.

What’s The Baseline?

vendor/bin/phpstan analyse --level 7 \
--configuration phpstan.neon \
src/ tests/ --generate-baseline
parameters:
ignoreErrors:
-
message: "#^Only numeric types are allowed in pre\\-decrement, bool\\|float\\|int\\|string\\|null given\\.$#"
count: 1
path: src/Analyser/Scope.php
-
message: "#^Anonymous function has an unused use \\$container\\.$#"
count: 2
path: src/Command/CommandHelper.php
includes:
- phpstan-baseline.neon
parameters:
# your usual configuration options
services:
# your custom extensions

The Use-Cases

Upgrade to new versions of PHPStan immediately

Run higher rule level even if there are errors

Introduce custom rules and hold new code to a higher standard

What’s next?

If you’re a PHP developer, give PHPStan a shot. If you’re interested in various insights about software development, follow me on Twitter.

Author of PHPStan, static analysis tool for finding bugs in code without running it.

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Ondřej Mirtes

Ondřej Mirtes

Author of PHPStan, static analysis tool for finding bugs in code without running it.

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