WP_REST_Request::get_header() public WP 4.4.0
Retrieves the given header from the request.
If the header has multiple values, they will be concatenated with a comma as per the HTTP specification. Be aware that some non-compliant headers (notably cookie headers) cannot be joined this way.
{} It's a method of the class: WP_REST_Request{}
No Hooks.
Return
String/null. String value if set, null otherwise.
Usage
$WP_REST_Request = new WP_REST_Request(); $WP_REST_Request->get_header( $key );
- $key(string) (required)
- Header name, will be canonicalized to lowercase.
Changelog
Since 4.4.0 | Introduced. |
Code of WP_REST_Request::get_header() WP REST Request::get header WP 5.6
public function get_header( $key ) {
$key = $this->canonicalize_header_name( $key );
if ( ! isset( $this->headers[ $key ] ) ) {
return null;
}
return implode( ',', $this->headers[ $key ] );
}