Group page numbers in Craft pagination

_pagination.twig

{#

	Group page numbers in Craft pagination

	Example if we were on page 3 and numOfPaginatedItems is set to 5.
	< 1 2 [3] 4 5 >

	On page 7
	< 6 [7] 8 9 10 >

	On page 11
	< [11] 12 13 14 15 >

#}
{% set numOfPaginatedItems = 5 %}

{% if pageInfo.nextUrl or pageInfo.prevUrl %}

	{% if pageInfo.prevUrl %}
		<a href="{{ pageInfo.prevUrl }}">
			&larr; Previous
		</a>
	{% endif %}

	<ul>
	{# loop through the divisible number and the number of total pages #}
	{% for i in range(1, pageInfo.totalPages, numOfPaginatedItems) %}

		{# if current page is in range of divisible number #}
		{% if pageInfo.currentPage in range(i, i + (numOfPaginatedItems - 1)) %}
			{% set beginPage = i %}
			
			{# beginning page number and increment it by numOfPaginatedItems #}
			{% for page in beginPage..beginPage + (numOfPaginatedItems - 1) if page <= pageInfo.totalPages  %}
				<li{% if pageInfo.currentPage == page %} class="active"{% endif %}><a href="{{ pageInfo.getPageUrl(page) }}">{{ page }}</a></li>
			{% endfor %}

		{% endif %}

	{% endfor %}
	</ul>

	{% if pageInfo.nextUrl %}
		<a href="{{ pageInfo.nextUrl }}">
			Next &rarr;
		</a>
	{% endif %}
	
{% endif %}