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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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3 changes: 2 additions & 1 deletion src/StreamInterface.php
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Original file line number Diff line number Diff line change
Expand Up @@ -150,9 +150,10 @@ public function getContents();
*
* @link http://php.net/manual/en/function.stream-get-meta-data.php
* @param string $key Specific metadata to retrieve.
* @return array|mixed|null Returns an associative array if no key is
* @return array<string, mixed>|mixed|null Returns an associative array if no key is
* provided. Returns a specific key value if a key is provided and the
* value is found, or null if the key is not found.
* @phpstan-return ($key is null ? array<string, mixed> : mixed|null)
*/
public function getMetadata($key = null);
}