Return the last share curl error number

# curl_share_errno

(PHP 7 >= 7.1.0, PHP 8)

curl_share_errno — Return the last share curl error number

### Description

curl_share_errno(CurlShareHandle `$share_handle`): int

Return an integer containing the last share curl error number.

### Parameters

`share_handle`

  A cURL share handle returned by curl_share_init().

### Return Values

Returns an integer containing the last share curl error number.

### Changelog

Version | Description
--- | ---
8.0.0 | The function no longer returns `false` on failure.
8.0.0 | `share_handle` expects a CurlShareHandle instance now; previously, a resource was expected.

### See Also

- curl_errno() - Return the last error number

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