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rest_output_link_wp_head()

Outputs the REST API link tag into page header.

Description

See also

Source

File: wp-includes/rest-api.php 

function rest_output_link_wp_head() {
	$api_root = get_rest_url();

	if ( empty( $api_root ) ) {
		return;
	}

	printf( '<link rel="https://api.w.org/" href="%s" />', esc_url( $api_root ) );

	$resource = rest_get_queried_resource_route();

	if ( $resource ) {
		printf( '<link rel="alternate" type="application/json" href="%s" />', esc_url( rest_url( $resource ) ) );
	}
}

Uses

Uses Description
wp-includes/rest-api.php: rest_get_queried_resource_route()

Gets the REST route for the currently queried object.
wp-includes/rest-api.php: get_rest_url()

Retrieves the URL to a REST endpoint on a site.
wp-includes/rest-api.php: rest_url()

Retrieves the URL to a REST endpoint.
wp-includes/formatting.php: esc_url()

Checks and cleans a URL.

Changelog

Version Description
4.4.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/rest_output_link_wp_head