Elgg / Elgg

mod/pages/views/default/input/pages/parent.php

<?php
/**
 * Parent picker
 *
 * @uses $vars['value']          The current value, if any
 * @uses $vars['options_values']
 * @uses $vars['name']           The name of the input field
 * @uses $vars['entity']         Optional. The child entity (uses container_guid)
 */

$entity = elgg_extract('entity', $vars);
if ($entity instanceof ElggPage) {
	$container = $entity->getContainerEntity();
} else {
	$container = elgg_get_page_owner_entity();
}

$pages = pages_get_navigation_tree($container);

It seems like $container can also be of type false; however, parameter $container of pages_get_navigation_tree() does only seem to accept ElggEntity, maybe add an additional type check?

$options = [];
foreach ($pages as $page) {
	$spacing = '';
	$spacing .= str_repeat('--', $page['depth']);
	
	$options[$page['guid']] = "$spacing " . $page['title'];
}

$defaults = [
	'class' => 'elgg-pages-input-parent-picker',
	'options_values' => $options,
];

$vars = array_merge($defaults, $vars);

echo elgg_view('input/select', $vars);