PHPStan webmozart/assert extension

• PHPStan
• webmozart/assert

Description

The main scope of this extension is to help PHPStan to detect the type of object after the Webmozart\Assert\Assert validation.

<?php declare(strict_types = 1);

use Webmozart\Assert\Assert;

function demo(?int $a) {
    // ...

    Assert::integer($a);
    // PHPStan is now aware that $a can no longer be `null` at this point

    return ($a === 10);
}

Installation

To use this extension, require it in Composer:

composer require --dev phpstan/phpstan-webmozart-assert

If you also install phpstan/extension-installer then you're all set!