WordPress at a glance
function is not described

WP_REST_Comments_Controller::prepare_links() protected WP 4.7.0

Prepares links for the request.

{} It's a method of the class: WP_REST_Comments_Controller{}

No Hooks.

Return

Array. Links for the given comment.

Usage

// protected - for code of main (parent) or child class
$result = $this->prepare_links( $comment );
$comment(WP_Comment) (required)
Comment object.

Changelog

Since 4.7.0 Introduced.

Code of WP_REST_Comments_Controller::prepare_links() WP 5.5.2

<?php
protected function prepare_links( $comment ) {
	$links = array(
		'self'       => array(
			'href' => rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $comment->comment_ID ) ),
		),
		'collection' => array(
			'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ),
		),
	);

	if ( 0 !== (int) $comment->user_id ) {
		$links['author'] = array(
			'href'       => rest_url( 'wp/v2/users/' . $comment->user_id ),
			'embeddable' => true,
		);
	}

	if ( 0 !== (int) $comment->comment_post_ID ) {
		$post = get_post( $comment->comment_post_ID );

		if ( ! empty( $post->ID ) ) {
			$obj  = get_post_type_object( $post->post_type );
			$base = ! empty( $obj->rest_base ) ? $obj->rest_base : $obj->name;

			$links['up'] = array(
				'href'       => rest_url( 'wp/v2/' . $base . '/' . $comment->comment_post_ID ),
				'embeddable' => true,
				'post_type'  => $post->post_type,
			);
		}
	}

	if ( 0 !== (int) $comment->comment_parent ) {
		$links['in-reply-to'] = array(
			'href'       => rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $comment->comment_parent ) ),
			'embeddable' => true,
		);
	}

	// Only grab one comment to verify the comment has children.
	$comment_children = $comment->get_children(
		array(
			'number' => 1,
			'count'  => true,
		)
	);

	if ( ! empty( $comment_children ) ) {
		$args = array(
			'parent' => $comment->comment_ID,
		);

		$rest_url = add_query_arg( $args, rest_url( $this->namespace . '/' . $this->rest_base ) );

		$links['children'] = array(
			'href' => $rest_url,
		);
	}

	return $links;
}