protected function attach()
{
if (count($this->cached_att_ids) > 0) {
return $this->cached_att_ids;
}
$attachment_ids = array();
$attachment = new RM_Attachment_Service();
$this_field_name = $this->get_field_name();
if (!isset($_FILES[$this_field_name]) || !$_FILES[$this_field_name]) {
return null;
}
$files = $_FILES[$this_field_name];
//Check for multifile field
if (is_array($_FILES[$this_field_name]['name'])) {
$original_files = $_FILES;
foreach ($files['name'] as $key => $value) {
if ($files['name'][$key]) {
$file = array('name' => $files['name'][$key], 'type' => $files['type'][$key], 'tmp_name' => $files['tmp_name'][$key], 'error' => $files['error'][$key], 'size' => $files['size'][$key]);
$_FILES = array($this_field_name => $file);
foreach ($_FILES as $file => $array) {
$aid = $attachment->media_handle_attachment($file, 0);
if (is_wp_error($aid)) {
break;
} else {
$attachment_ids[$this_field_name][] = $aid;
}
}
}
}
$_FILES = $original_files;
} else {
$aid = $attachment->media_handle_attachment($this_field_name, 0);
if (is_wp_error($aid)) {
return null;
} else {
$attachment_ids[$this_field_name] = $aid;
}
}
$this->cached_att_ids = $attachment_ids;
return $attachment_ids;
}
