tools.php

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<?php
// Only logged in users
elgg_gatekeeper();

// Make sure we don't open a security hole ...
if ((!elgg_get_page_owner_entity()) || (!elgg_get_page_owner_entity()->canEdit())) {
    register_error(elgg_echo('noaccess'));
    forward('/');
}

$plugin_id = elgg_extract("plugin_id", $vars);

if (empty($plugin_id)) {
    register_error(elgg_echo('ElggPlugin:MissingID'));
    forward(REFERER);
}

$plugin = elgg_get_plugin_from_id($plugin_id);

if (!$plugin) {
    register_error(elgg_echo('PluginException:InvalidID', array($plugin_id)));
    forward(REFERER);
}

if (elgg_language_key_exists($plugin_id . ':usersettings:title')) {
    $title = elgg_echo($plugin_id . ':usersettings:title');
} else {
    $title = $plugin->getManifest()->getName();
}

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

elgg_push_breadcrumb(elgg_echo('settings'), "settings/user/$username");
elgg_push_breadcrumb(elgg_echo('usersettings:plugins:opt:linktext'));

$content = elgg_view_form('plugins/usersettings/save', array(), array('entity' => $plugin));

$params = array(
    'content' => $content,
    'title' => $title,
);
$body = elgg_view_layout('one_sidebar', $params);

echo elgg_view_page($title, $body);