'sanitize_text_field', 'file_description' => 'wp_kses_post', 'openai_id' => 'sanitize_text_field', ); public static $validateProperties = array( 'file_label' => 'strlen', // 'file_description' => 'strlen', ); public function __construct() { $this->file_date = gmdate( 'Y-m-d' ); } }