FIX: Add handling for array values in response headers #401
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Two new tests have been added to confirm that arrays as values in headers are properly handled. Changes in the Response class ensure that the getContentType and getHeader methods correctly handle header values that are arrays, by returning either the first element of the array (for the getContentType method) or the entire array (for the getHeader method).
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Context
The problem exists with servers that return duplicate headers. It's true that they should fix their own stuff, but it's also of interest that this package is resilient to such edge cases that appear in production.
What has been done
Response.phpso that array as a value for any header is handled without errors.Response::getContentTypestill works if Content-Type is received as an array. It returns the first value of the array.How to test
composer test