WP_REST_Request::add_header( string $key, string $value )

Appends a header value for the given header.


Parameters

$key

(Required) Header name.

$value

(Required) Header value, or list of values.


Source

File: wp-includes/rest-api/class-wp-rest-request.php

	public function add_header( $key, $value ) {
		$key = $this->canonicalize_header_name( $key );
		$value = (array) $value;

		if ( ! isset( $this->headers[ $key ] ) ) {
			$this->headers[ $key ] = array();
		}

		$this->headers[ $key ] = array_merge( $this->headers[ $key ], $value );
	}


Changelog

Changelog
Version Description
WP-4.4.0 Introduced.