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Merge pull request #1104 from victorwelling/master

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Fixed incorrect documentation on the return type of getHeader()
This commit is contained in:
Michael Dowling 2015-06-01 10:46:28 -07:00
commit d2386607c1
1 changed files with 5 additions and 4 deletions
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docs/psr7.rst
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@ -65,14 +65,15 @@ You can check if a request or response has a specific header using the
echo 'It is there';
}
You can retrieve a header value as a string using ``getHeader()``.
You can retrieve all the header values as an array of strings using
``getHeader()``.
.. code-block:: php
echo $request->getHeader('X-Foo'); // bar
$request->getHeader('X-Foo'); // ['bar']
// Retrieving a missing header returns an empty string.
echo $request->getHeader('X-Bar') // outputs nothing
// Retrieving a missing header returns an empty array.
$request->getHeader('X-Bar'); // []
You can iterate over the headers of a message using the ``getHeaders()``
method.