master/page_2layouts_2elements_2filter_8php_source.html

 <?php
 $filter = elgg_extract('filter', $vars);
 if ($filter === false || $filter === '') {
     // filter disabled
     return;
 }

 if (!isset($filter) || is_array($filter)) {
     // make a filter menu
     $filter = elgg_view('navigation/filter', $vars);
 }

 if (!$filter) {
     // no content for the filter layout
     return;
 }

 echo elgg_format_element('div', ['class' => 'elgg-layout-filter'], $filter);
elgg_extract
elgg_extract($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

$filter
$filter
Layout content filter.
Definition: filter.php:18

$vars
$vars
Definition: theme.php:5

elgg_format_element
elgg_format_element(string $tag_name, array $attributes=[], string $text= '', array $options=[])
Format an HTML element.
Definition: output.php:145