PHP WC_Email_Att::_instance примеры использования

Пример #1

Файл: class-wc-email-att.php Проект: qhuit/dcosta

	/**
	 * Main wc_email_att Instance
	 *
	 * Ensures only one instance of wc_email_att is loaded or can be loaded.
	 *
	 * @see WC_email_attachments()
	 * @return WC_Email_Att - Main instance
	 */
	public static function instance() 
	{
		if ( is_null( self::$_instance ) ) 
		{
			self::$_instance = new self();
		}
		return self::$_instance;
	}