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WP_HTTP_Response::header( string $key, string $value, bool $replace = true )

Sets a single HTTP header.

Parameters

$keystringrequired
Header name.
$valuestringrequired
Header value.
$replacebooloptional
Whether to replace an existing header of the same name.

Default:true

Source

public function header( $key, $value, $replace = true ) {
	if ( $replace || ! isset( $this->headers[ $key ] ) ) {
		$this->headers[ $key ] = $value;
	} else {
		$this->headers[ $key ] .= ', ' . $value;
	}
}

Changelog

Version Description
4.4.0 Introduced.

© 2003–2024 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_http_response/header