comment.php

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<?php
$full_view = elgg_extract('full_view', $vars, true);

$comment = elgg_extract('entity', $vars);
if (!$comment instanceof \ElggComment) {
    return;
}

$entity = get_entity($comment->container_guid);
$commenter = get_user($comment->owner_guid);
if (!$entity || !$commenter) {
    return;
}

if ($comment->canEdit()) {
    elgg_require_js('elgg/comments');
}

if ($full_view) {
    if (elgg_extract('show_excerpt', $vars)) {
        $body = elgg_view('output/longtext', [
            'value' => elgg_get_excerpt($comment->description),
        ]);
    } else {
        $body = elgg_view('output/longtext', [
            'value' => $comment->description,
        ]);
    }

    $params = [
        'icon_entity' => $commenter,
        'time_href' => $comment->getURL(),
        'access' => false,
        'title' => false,
        'content' => $body,
    ];
    $params = $params + $vars;
    echo elgg_view('object/elements/summary', $params);
} else {
    // brief view
    $commenter_icon = elgg_view_entity_icon($commenter, 'small');

    $friendlytime = elgg_view_friendly_time($comment->time_created);

    $commenter_link = elgg_view('output/url', [
        'href' => $commenter->getURL(),
        'text' => $commenter->getDisplayName(),
    ]);

    $entity_link = elgg_view('output/url', [
        'href' => $entity->getURL(),
        'text' => $entity->getDisplayName() ?: elgg_echo('untitled'),
    ]);

    $excerpt = elgg_get_excerpt($comment->description, 80);
    $posted = elgg_echo('generic_comment:on', [$commenter_link, $entity_link]);

    $body = elgg_format_element('span', [
        'class' => 'elgg-subtext',
    ], "$posted ($friendlytime): $excerpt");

    echo elgg_view_image_block($commenter_icon, $body);
}