Represents an upgrade that runs outside the upgrade.php script.
if(! $entity instanceof \ElggUpgrade) $component
elgg_extract($key, $array, $default=null, bool $strict=true)
Checks for $array[$key] and returns its value if it exists, else returns $default.
elgg_get_plugin_from_id(string $plugin_id)
Elgg plugins library Contains functions for managing plugins.
elgg_echo(string $message_key, array $args=[], string $language='')
Elgg language module Functions to manage language and translations.
elgg_view(string $view, array $vars=[], string $viewtype='')
Return a parsed view.