categories.php

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<?php

$active_filter = elgg_extract('active_filter', $vars);
$categories = (array) elgg_extract('categories', $vars);
if (empty($categories)) {
    return;
}

asort($categories);

$common_categories = [
    'all' => elgg_echo('admin:plugins:category:all'),
    'active' => elgg_echo('admin:plugins:category:active'),
    'inactive' => elgg_echo('admin:plugins:category:inactive'),
];

$categories = array_merge($common_categories, $categories);

$list_items = '';
foreach ($categories as $key => $category) {
    if (empty($key)) {
        continue;
    }
    
    $key = preg_replace('/[^a-z0-9-]/i', '-', elgg_strtolower($key));
    
    $list_items .= elgg_view('output/url', [
        'href' => false,
        'text' => $category,
        'rel' => $key,
        'class' => ($key === $active_filter) ? 'elgg-state-selected' : null,
    ]);
}

$body = elgg_format_element('div', ['class' => 'elgg-admin-plugins-categories'], $list_items);

echo elgg_view_module('', elgg_echo('filter'), $body);