function acf_write_json_field_group($field_group)
{
// vars
$path = acf_get_setting('save_json');
$file = $field_group['key'] . '.json';
// remove trailing slash
$path = untrailingslashit($path);
// bail early if dir does not exist
if (!is_writable($path)) {
return false;
}
// prepare for export
$id = acf_extract_var($field_group, 'ID');
$field_group = acf_prepare_field_group_for_export($field_group);
// add modified time
$field_group['modified'] = get_post_modified_time('U', true, $id, true);
// write file
$f = fopen("{$path}/{$file}", 'w');
fwrite($f, acf_json_encode($field_group));
fclose($f);
// return
return true;
}
function get_json()
{
// validate
if (empty($_POST['acf_export_keys'])) {
return false;
}
// vars
$json = array();
// construct JSON
foreach ($_POST['acf_export_keys'] as $key) {
// load field group
$field_group = acf_get_field_group($key);
// validate field group
if (empty($field_group)) {
continue;
}
// load fields
$field_group['fields'] = acf_get_fields($field_group);
// prepare for export
$field_group = acf_prepare_field_group_for_export($field_group);
// add to json array
$json[] = $field_group;
}
// return
return $json;
}
