gallery.php

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<?php
$items = elgg_extract('items', $vars);
$pagination = elgg_extract('pagination', $vars, true);
$position = elgg_extract('position', $vars, 'after');

if (!$items) {
    echo elgg_view('page/components/no_results', $vars);
    return;
}

if (!is_array($items) || count($items) == 0) {
    return;
}

elgg_push_context('gallery');

$list_classes = elgg_extract_class($vars, 'elgg-gallery', 'gallery_class');

$item_classes = elgg_extract_class($vars, 'elgg-item', 'item_class');

$nav = ($pagination) ? elgg_view('navigation/pagination', $vars) : '';

$index = 0;
$list_items = '';
foreach ($items as $item) {
    $item_view_vars = $vars;
    $item_view_vars['list_item_index'] = $index;
    $item_view = elgg_view_list_item($item, $item_view_vars);
    if (empty($item_view)) {
        continue;
    }

    $li_attrs = ['class' => $item_classes];

    if ($item instanceof \ElggEntity) {
        $li_attrs['id'] = "elgg-{$item->getType()}-{$item->getGUID()}";
    } else if (is_callable([$item, 'getType'])) {
        $li_attrs['id'] = "item-{$item->getType()}-{$item->id}";
    }

    $list_items .= elgg_format_element('li', $li_attrs, $item_view);
    $index++;
}

if ($position == 'before' || $position == 'both') {
    echo $nav;
}

if (empty($list_items)) {
    // there are scenarios where item views do not output html. In those cases show the no results info
    echo elgg_view('page/components/no_results', $vars);
} else {
    echo elgg_format_element('ul', ['class' => $list_classes], $list_items);
}

if ($position == 'after' || $position == 'both') {
    echo $nav;
}

elgg_pop_context();

$limit = elgg_extract('limit', $vars);
if (!$pagination && $limit !== false && !empty($items) && count($items) >= $limit) {
    echo elgg_view('page/components/list/widget_more', $vars);
}