LiteXiv/include/paginator.php

<?php
const PAGINATOR_RADIUS = 5;

function render_paginator($page_count, $current_page, callable $get_page_url) { ?>
	<p class="paginator"><?php
		if ($current_page > PAGINATOR_RADIUS) { ?>
			<a href="<?= call_user_func($get_page_url, 1) ?>">&#171;</a><?php
		}
		for (
			$i = max(1, $current_page - PAGINATOR_RADIUS + 1);
			$i <= min($current_page + PAGINATOR_RADIUS - 1, $page_count);
			$i ++
		) {
			if ($i == $current_page) {
				?><a class="selected"><?= $i ?></a><?php
			}
			else {
				?><a href="<?= call_user_func($get_page_url, $i) ?>"><?= $i ?></a><?php
			}
		}
		if ($current_page < $page_count - PAGINATOR_RADIUS) { ?>
			<a href="<?= call_user_func($get_page_url, $page_count) ?>">&#187;</a><?php
		}
	?>
	</p><?php
}