function save_files($post_id = 0)
{
// bail early if no $_FILES data
if (empty($_FILES['acf']['name'])) {
return;
}
// upload files
acf_upload_files();
}
function acf_upload_files($ancestors = array())
{
// vars
$file = array('name' => '', 'type' => '', 'tmp_name' => '', 'error' => '', 'size' => '');
// populate with $_FILES data
foreach (array_keys($file) as $k) {
$file[$k] = $_FILES['acf'][$k];
}
// walk through ancestors
if (!empty($ancestors)) {
foreach ($ancestors as $a) {
foreach (array_keys($file) as $k) {
$file[$k] = $file[$k][$a];
}
}
}
// is array?
if (is_array($file['name'])) {
foreach (array_keys($file['name']) as $k) {
$_ancestors = array_merge($ancestors, array($k));
acf_upload_files($_ancestors);
}
return;
}
// bail ealry if file has error (no file uploaded)
if ($file['error']) {
return;
}
// assign global _acfuploader for media validation
$_POST['_acfuploader'] = end($ancestors);
// file found!
$attachment_id = acf_upload_file($file);
// update $_POST
array_unshift($ancestors, 'acf');
acf_update_nested_array($_POST, $ancestors, $attachment_id);
}
