Simple search for picocms with inbuilt pagination

search.twig

{% extends "index.twig" %}
{% set sstring = url_param('q','string' ) %}
{% block content %}
<div class="search_results" id="res">
<p class="small">The search function is primitive. It only searches for the literal string as entered.<br>
    » fluffy cloud<br>
    will search only the exact string<br>
    » "fluffy cloud".<br>
    Searches are case insensitive. Tags and some special characters are stripped.</p>
{% if sstring|length < config.tagblog.ssminlength %}
    <h4>The search string "{{sstring}}" is too short.</h4><p>At least {{config.tagblog.ssminlength}} searchable characters, please try again.</p>
{% else %}
    {% set sstring = sstring|lower %}
    {% set results = {} %}
    {% for page in pages if page.meta.tags %}
        {% if sstring in page.id|content|striptags|lower or sstring in page.title|striptags|lower or sstring in page.id|lower %}
        {% set results = results|merge([page]) %}
        {% endif %}
    {% endfor %}
    {% set count = results|length %}
    <h4>{{ count }} search results for "{{sstring}}"</h4>

    {% if config.tagblog.paging > 0 and count > config.tagblog.paging %}
        {% set p = url_param('p','int',1) %}
        {% set offset = (p - 1) * config.tagblog.paging %}
        {% for page in results|slice(offset,config.tagblog.paging) %}
            {% include 'postlistitem.twig' %}
        {% endfor %}
        <div class="pagination">
            {% if offset >= config.tagblog.paging %}
                <a href="/search?q={{sstring}}&p={{ p - 1 }}#res">Previous Page</a>
            {% endif %}
            {% if offset >= config.tagblog.paging and offset + config.tagblog.paging < count %} | {% endif %}
            {% if offset + config.tagblog.paging < count %}
                <a href="/search?q={{sstring}}&p={{ p + 1 }}#res">Next Page</a>
            {% endif %}
        </div>

    {% else %}
        {% for page in results %}
            {% include 'postlistitem.twig' %}
        {% endfor %}
    {% endif %}

{% endif %}
</div>
{% endblock content %}