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Message: withHeader Example

Terry L edited this page Jun 20, 2020 · 3 revisions

Shieldon\Psr7\Message

withHeader($name, $value)

Return an instance with the provided value replacing the specified header.

  • param string name * Case-insensitive header field name.
  • param string|array value * Header value(s)
  • return static

Example:

$message = $message->withHeader('foo', 'bar');

echo $message->getHeaderLine('foo');
// Outputs: bar

echo $message->getHeaderLine('FOO');
// Outputs: bar

$message = $message->withHeader('fOO', 'baz');
echo $message->getHeaderLine('foo');
// Outputs: baz

$message = $message->withHeader('fOO', ['bax', 'bay', 'baz']);
echo $message->getHeaderLine('foo');
// Outputs: bax, bay, baz
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