InlineVarDocTagToAssertRector

Convert inline @var tags to calls to assert()

-/** @var Foo $foo */
-$foo = createFoo();
+$foo = createFoo();
+assert($foo instanceof Foo);

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\TypeDeclaration\Rector\Expression\InlineVarDocTagToAssertRector;

return RectorConfig::configure()
    ->withRules([
        InlineVarDocTagToAssertRector::class,
    ]);