/**
* Retrieves a message header value by the given case-insensitive name.
*
* This method returns an array of all the header values of the given
* case-insensitive header name.
*
* If the header does not appear in the message, this method MUST return an
* empty array.
*
* @param string $name Case-insensitive header field name.
* @return string[] An array of string values as provided for the given
* header. If the header does not appear in the message, this method MUST
* return an empty array.
*/
public function getHeader($header)
{
if (!$this->hasHeader($header) && strtolower($header) === 'host' && ($this->uri && $this->uri->getHost())) {
return [$this->getHostFromUri()];
}
return parent::getHeader($header);
}
/**
* @test
*/
public function getHeaderReturnsAnEmptyArrayWhenHeaderDoesNotExist()
{
$this->assertSame([], $this->message->getHeader('X-Foo-Bar'));
}
