WP_HTTP_Response::header() WordPress Method
The WP_HTTP_Response::header() method is used to send a raw HTTP header to the client. This is useful for sending custom headers, such as cache control headers or Access-Control-Allow-Origin headers.
WP_HTTP_Response::header( string $key, string $value, bool $replace = true ) #
Sets a single HTTP header.
Contents
Parameters
- $key
(string)(Required)Header name.
- $value
(string)(Required)Header value.
- $replace
(bool)(Optional) Whether to replace an existing header of the same name.
Default value: true
Source
File: wp-includes/class-wp-http-response.php
public function header( $key, $value, $replace = true ) {
if ( $replace || ! isset( $this->headers[ $key ] ) ) {
$this->headers[ $key ] = $value;
} else {
$this->headers[ $key ] .= ', ' . $value;
}
}
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Changelog
| Version | Description |
|---|---|
| 4.4.0 | Introduced. |