byline.php

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<?php
$entity = elgg_extract('entity', $vars);
if (!$entity instanceof ElggEntity) {
    return;
}

$show_links = elgg_extract('show_links', $vars, true);

$byline_str = elgg_extract('byline', $vars);
if (!isset($byline_str)) {
    $parts = [];

    $owner = elgg_extract('byline_owner_entity', $vars, $entity->getOwnerEntity());
    if ($owner instanceof ElggEntity) {
        if ($show_links) {
            $owner_text = elgg_view_entity_url($owner);
        } else {
            $owner_text = $owner->getDisplayName();
        }

        $parts[] = elgg_echo('byline', [$owner_text]);
    }

    $container_entity = elgg_extract('byline_container_entity', $vars, $entity->getContainerEntity());
    if ($container_entity instanceof ElggGroup && $container_entity->guid !== elgg_get_page_owner_guid()) {
        if ($show_links) {
            $group_text = elgg_view_entity_url($container_entity);
        } else {
            $group_text = $container_entity->getDisplayName();
        }

        $parts[] = elgg_echo('byline:ingroup', [$group_text]);
    }

    $byline_str = implode(' ', $parts);
}

if (elgg_is_empty($byline_str)) {
    return;
}

echo elgg_view('object/elements/imprint/element', [
    'content' => $byline_str,
    'class' => 'elgg-listing-byline',
]);