master/objectpicker_8php_source.html

 <?php
 if (!isset($vars['name'])) {
     $vars['name'] = 'guids';
 }

 $vars['show_friends'] = false;
 $vars['match_on'] = elgg_extract('match_on', $vars, 'objects');
 $vars['class'] = elgg_extract_class($vars, ['elgg-object-picker']);

 $options = (array) elgg_extract('options', $vars, []);
 $options['subtype'] = elgg_extract('subtype', $vars);

 $vars['options'] = $options;

 // @todo don't abuse userpicker, make it into generic entity picker
 echo elgg_view('input/userpicker', $vars);
elgg_extract_class
elgg_extract_class(array $array, $existing=[], $extract_key= 'class')
Extract class names from an array, optionally merging into a preexisting set.
Definition: elgglib.php:276

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:177

$options
$options
Definition: objectpicker.php:20

$vars
if(!isset($vars['name'])) $vars['show_friends']
Elgg object picker.
Definition: objectpicker.php:16