Documentation & API reference
public function Header::hasExactHeader
Check if a particular case variation is present in the header Example: A header exists on a message for 'Foo', and 'foo'. The Header object will contain all of the values of 'Foo' and all of the values of 'foo'. You can use this method to check to see if a header was set using 'foo' (true), 'Foo' (true), 'FOO' (false), etc.
Parameters
string $header Exact header to check for:
Return value
bool
File
- drupal/
core/ vendor/ guzzle/ http/ Guzzle/ Http/ Message/ Header.php, line 145
Class
- Header
- Represents a header and all of the values stored by that header
Namespace
Guzzle\Http\MessageCode
public function hasExactHeader($header) {
return array_key_exists($header, $this->values);
}