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Use more precise return type for StreamInterface::getMetadata #103

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Use more precise return type for StreamInterface::getMetadata #103

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Commits on Mar 8, 2023

  1. Use more precise return type for StreamInterface::getMetadata 

    The array keys are always strings.

And when `null` is passed as `$key` argument, it should always return an array. But that can be only concisely expressed in PHPStan – Psalm requires a template type for conditional types. So let’s use prefixed annotation.
    @jtojnar
    jtojnar committed Mar 8, 2023
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