<?php
class Product {
	private $id;
	private $name;
	private $mail;

	function Product($name, $mail, $id = -1) {
		$this->id = $id;
		$this->name = $name;
		$this->mail = $mail;
	}

	function getMail() {
		return $this->mail;
	}
	function setMail($mail) {
		$this->mail = $mail;
	}

	/**
	 * check a mail address
	 *
	 * check the correctness of length, domain and contents
	 * of a mail address
	 *
	 * @param string $mail mail address to check
	 *   if this $mail parameter is '', check the mail
	 *   atribute of the current object
	 * @return boolean true if mail OK, false else
	 */
	function checkMail($mail = '') {
		if ( $mail == '' )
		$mail = $this->mail;
		// 1. tests sur longueur
		// TODO
		// ...
		return true;
	}

}
?>