getkirby 2 tagcloud

tagcloud.php

<?php

function tagcloud($parent, $options = array())
{

    global $site;

    // default values
    $defaults = array(
        'limit' => false,
        'field' => 'tags',
        'children' => 'visible',
        'baseurl' => $parent->url(),
        'param' => 'tag',
        'sort' => 'results',
        'sortdir' => 'desc'
    );

    // merge defaults and options
    $options = array_merge($defaults, $options);

    switch ($options['children']) {
        case 'invisible':
            $children = $parent->children()->invisible();
            break;
        case 'visible':
            $children = $parent->children()->visible();
            break;
        default:
            $children = $parent->children();
            break;
    }

    $cloud = new Collection();
    $ds = DIRECTORY_SEPARATOR == '/' ? ':' : ';';

    foreach ($children as $p) {

        $tags = str::split($p->$options['field']());

        foreach ($tags as $t) {

            if (is_object($cloud->get($t))) {
                $cloud->get($t)->results++;
            } else {
                $cloud->set($t, new obj(array(
                    'results' => 1,
                    'name' => $t,
                    'url' => $options['baseurl'] . '/' . $options['param'] . $ds . $t,
                    'isActive' => (param($options['param']) == $t) ? true : false,
                )));
            }
        }
    }

    $cloud->sortBy($options['sort'], $options['sortdir']);

    if ($options['limit']) {
        $cloud->limit($options['limit']);
    }

    return $cloud;

}