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<?php namespace Bug10577; use function PHPStan\Testing\assertType; class HelloWorld { private const MAP = [ '10' => 'Test1', '20' => 'Test2', ]; public function validate(string $value): void { $value = trim($value); if ($value === '') { throw new \RuntimeException(); } $value = self::MAP[$value] ?? $value; var_dump($value); var_dump(self::MAP[$value]); // ... } } $h = new HelloWorld(); $h->validate('something');
Output for git.master_jit, git.master, rfc.property-hooks
string(9) "something" Warning: Undefined array key "something" in /in/WD7OG on line 27 NULL

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