Elgg / Elgg

mod/file/views/default/resources/file/view.php

<?php
/**
 * View a file
 *
 * @package ElggFile
 */

$guid = elgg_extract('guid', $vars);

elgg_entity_gatekeeper($guid, 'object', 'file');

$file = get_entity($guid);

$owner = elgg_get_page_owner_entity();

elgg_push_entity_breadcrumbs($file, false);

$title = $file->getDisplayName();

$content = elgg_view_entity($file, [
	'full_view' => true,
	'show_responses' => true,
]);

if ($file->canDownload()) {

The method canDownload() does not exist on ElggEntity. It seems like you code against a sub-type of ElggEntity such as ElggFile.

	elgg_register_menu_item('title', [
		'name' => 'download',
		'text' => elgg_echo('download'),
		'href' => $file->getDownloadURL(),

The method getDownloadURL() does not exist on ElggEntity. It seems like you code against a sub-type of ElggEntity such as ElggFile.

		'icon' => 'download',
		'link_class' => 'elgg-button elgg-button-action',
	]);
}

$body = elgg_view_layout('content', [
	'content' => $content,
	'title' => $title,
	'filter' => '',
	'entity' => $file,
]);

echo elgg_view_page($title, $body);