wp_shortlink_header()

Sends a Link: rel=shortlink header if a shortlink is defined for the current page.

Description

Attached to the ‘wp’ action.

Source

File: wp-includes/link-template.php 

function wp_shortlink_header() {
	if ( headers_sent() )
		return;

	$shortlink = wp_get_shortlink(0, 'query');

	if ( empty($shortlink) )
		return;

	header('Link: <' . $shortlink . '>; rel=shortlink', false);
}

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Related

Uses

Uses
Uses Description
wp-includes/link-template.php: wp_get_shortlink()

Returns a shortlink for a post, page, attachment, or site.

Changelog

Changelog
Version Description
WP-3.0.0 Introduced.