function ajax_query()
{
// validate
if (!acf_verify_ajax()) {
die;
}
// defaults
$options = acf_parse_args($_POST, array('post_id' => 0, 's' => '', 'field_key' => '', 'paged' => 1));
// vars
$results = array();
$args = array();
$s = false;
$is_search = false;
// paged
$args['users_per_page'] = 20;
$args['paged'] = $options['paged'];
// search
if ($options['s'] !== '') {
// strip slashes (search may be integer)
$s = wp_unslash(strval($options['s']));
// update vars
$args['s'] = $s;
$is_search = true;
}
// load field
$field = acf_get_field($options['field_key']);
if (!$field) {
die;
}
// role
if (!empty($field['role'])) {
$args['role'] = acf_get_array($field['role']);
}
// search
if ($is_search) {
// append to $args
$args['search'] = '*' . $options['s'] . '*';
// add reference
$this->field = $field;
// add filter to modify search colums
add_filter('user_search_columns', array($this, 'user_search_columns'), 10, 3);
}
// filters
$args = apply_filters("acf/fields/user/query", $args, $field, $options['post_id']);
$args = apply_filters("acf/fields/user/query/name={$field['_name']}", $args, $field, $options['post_id']);
$args = apply_filters("acf/fields/user/query/key={$field['key']}", $args, $field, $options['post_id']);
// get users
$groups = acf_get_grouped_users($args);
// loop
if (!empty($groups)) {
foreach (array_keys($groups) as $group_title) {
// vars
$users = acf_extract_var($groups, $group_title);
$data = array('text' => $group_title, 'children' => array());
// append users
foreach (array_keys($users) as $user_id) {
$users[$user_id] = $this->get_result($users[$user_id], $field, $options['post_id']);
}
// order by search
if ($is_search && empty($args['orderby'])) {
$users = acf_order_by_search($users, $args['s']);
}
// append to $data
foreach ($users as $id => $title) {
$data['children'][] = array('id' => $id, 'text' => $title);
}
// append to $r
$results[] = $data;
}
}
// optgroup or single
if (!empty($args['role']) && count($args['role']) == 1) {
$results = $results[0]['children'];
}
// return
acf_send_ajax_results(array('results' => $results, 'limit' => $args['users_per_page']));
}
function get_choices($options = array())
{
// defaults
$options = acf_parse_args($options, array('post_id' => 0, 's' => '', 'field_key' => '', 'paged' => 1));
// vars
$r = array();
$args = array();
// paged
$args['users_per_page'] = 20;
$args['paged'] = $options['paged'];
// load field
$field = acf_get_field($options['field_key']);
// bail early if no field
if (!$field) {
return false;
}
// update $args
if (!empty($field['role'])) {
$args['role'] = acf_get_array($field['role']);
}
// search
if ($options['s']) {
// append to $args
$args['search'] = '*' . $options['s'] . '*';
// add reference
$this->field = $field;
// add filter to modify search colums
add_filter('user_search_columns', array($this, 'user_search_columns'), 10, 3);
}
// filters
$args = apply_filters("acf/fields/user/query", $args, $field, $options['post_id']);
$args = apply_filters("acf/fields/user/query/name={$field['_name']}", $args, $field, $options['post_id']);
$args = apply_filters("acf/fields/user/query/key={$field['key']}", $args, $field, $options['post_id']);
// get users
$groups = acf_get_grouped_users($args);
// bail early if no groups
if (empty($groups)) {
return false;
}
// loop
foreach (array_keys($groups) as $group_title) {
// vars
$users = acf_extract_var($groups, $group_title);
$data = array('text' => $group_title, 'children' => array());
// append users
foreach (array_keys($users) as $user_id) {
$users[$user_id] = $this->get_result($users[$user_id], $field, $options['post_id']);
}
// order by search
if (!empty($args['s'])) {
$users = acf_order_by_search($users, $args['s']);
}
// append to $data
foreach ($users as $id => $title) {
$data['children'][] = array('id' => $id, 'text' => $title);
}
// append to $r
$r[] = $data;
}
// optgroup or single
if (!empty($args['role']) && count($args['role']) == 1) {
$r = $r[0]['children'];
}
// return
return $r;
}
