function ajax_query()
{
// validate
if (!acf_verify_ajax()) {
die;
}
// disable field to allow clone fields to appear selectable
acf_disable_filter('clone');
// options
$options = acf_parse_args($_POST, array('post_id' => 0, 'paged' => 0, 's' => '', 'title' => '', 'fields' => array()));
// vars
$results = array();
$s = false;
$i = -1;
$limit = 20;
$range_start = $limit * ($options['paged'] - 1);
// 0, 20, 40
$range_end = $range_start + ($limit - 1);
// 19, 39, 59
// search
if ($options['s'] !== '') {
// strip slashes (search may be integer)
$s = wp_unslash(strval($options['s']));
}
// load groups
$field_groups = acf_get_field_groups();
$field_group = false;
// bail early if no field groups
if (empty($field_groups)) {
die;
}
// move current field group to start
foreach (array_keys($field_groups) as $j) {
// check ID
if ($field_groups[$j]['ID'] !== $options['post_id']) {
continue;
}
// extract field group and move to start
$field_group = acf_extract_var($field_groups, $j);
// field group found, stop looking
break;
}
// if field group was not found, this is a new field group (not yet saved)
if (!$field_group) {
$field_group = array('ID' => $options['post_id'], 'title' => $options['title'], 'key' => '');
}
// move current field group to start of list
array_unshift($field_groups, $field_group);
// loop
foreach ($field_groups as $field_group) {
// vars
$fields = false;
$data = array('text' => $field_group['title'], 'children' => array());
// get fields
if ($field_group['ID'] == $options['post_id']) {
$fields = $options['fields'];
} else {
$fields = acf_get_fields($field_group);
$fields = acf_prepare_fields_for_import($fields);
}
// bail early if no fields
if (!$fields) {
continue;
}
// populate children
$children = array();
$children[] = $field_group['key'];
foreach ($fields as $field) {
$children[] = $field['key'];
}
// loop
foreach ($children as $child) {
// bail ealry if no key (fake field group or corrupt field)
if (!$child) {
continue;
}
// vars
$text = false;
// bail early if is search, and $text does not contain $s
if ($s !== false) {
// get early
$text = $this->get_clone_setting_choice($child);
// search
if (stripos($text, $s) === false) {
continue;
}
}
// $i
$i++;
// bail early if $i is out of bounds
if ($i < $range_start || $i > $range_end) {
continue;
}
// load text
if ($text === false) {
$text = $this->get_clone_setting_choice($child);
}
// append
$data['children'][] = array('id' => $child, 'text' => $text);
}
// bail early if no children
// - this group contained fields, but none shown on this page
if (empty($data['children'])) {
continue;
}
// append
$results[] = $data;
// end loop if $i is out of bounds
// - no need to look further
if ($i > $range_end) {
break;
}
}
// return
acf_send_ajax_results(array('results' => $results, 'limit' => $limit));
}
function acf_disable_local()
{
acf_disable_filter('local');
}
