master/output_2week_8php_source.html

 <?php
 $vars['format'] = elgg_extract('format', $vars, 'Y W');

 echo elgg_view('output/date', $vars);
elgg_extract
elgg_extract($key, $array, $default=null, bool $strict=true)
Checks for $array[$key] and returns its value if it exists, else returns $default.
Definition: elgglib.php:254

elgg_view
elgg_view(string $view, array $vars=[], string $viewtype= '')
Return a parsed view.
Definition: views.php:156

$vars
$vars['class']
Elgg week input Displays a week input field.
Definition: week.php:7