CodeIgniter 4 - Header Link Pagination

header_link.php

<?php
/**
 * CodeIgniter 4 - Header Link Pagination
 *
 * Usage:
 *
 *    $this->response->setHeader('Link', $pager->links('default', 'header_link'))
 *
 * @author Natan Felles <[email protected]>
 * @link https://gist.github.com/natanfelles/9f4ccf4d10dd0dbf72599b26bd11ec0a
 * @see http://tools.ietf.org/html/rfc5988
 * @see https://bcit-ci.github.io/CodeIgniter4/libraries/response.html#setting-headers
 * @see https://bcit-ci.github.io/CodeIgniter4/libraries/pagination.html
 */
$pager->setSurroundCount(0);
$links = '';
if ($pager->hasPrevious())
{
	$links .= '<' . $pager->getFirst() . '>; rel="first",';
	$links .= '<' . $pager->getPrevious() . '>; rel="prev"';
}
if ($pager->hasPrevious() && $pager->hasNext())
{
	$links .= ',';
}
if ($pager->hasNext())
{
	$links .= '<' . $pager->getNext() . '>; rel="next",';
	$links .= '<' . $pager->getLast() . '>; rel="last"';
}
echo $links;