| public delete_values ( mixed $field ) | ||
| $field | mixed | The field to delete values for. |
public function delete_values($field)
{
global $wpdb;
$group_names = $field->get_group_names();
$field_name = $this->get_field_name($field);
$meta_key_constraint = '`meta_key` LIKE "' . $field_name . implode('-%" OR `meta_key` LIKE "' . $field_name, $group_names) . '-%"';
return $wpdb->query('
DELETE FROM ' . $this->get_table_name() . '
WHERE (' . $meta_key_constraint . ') AND `' . $this->get_table_field_name() . '`="' . intval($this->get_id()) . '"
');
}