php setcookie()函数用法及参数介绍

setcookie函数参数介绍

setcookie语法：

setcookie(name,value,expire,path,domain,secure)

setcookie参数：

描述

name          

The name to set the cookie variable to and hence the name to access it with

 The value of the current cookie

expire

When a cookie will expire (in the form of a Unix timestamp)

path

The directory where the cookie will be available for use

domain

The domain at which the cookie will be available

secure

Whether a cookie can be read on a non-SSL enable script

setcookie函数实例

<?php
  $GLOBALS['username'] = "test";
  $GLOBALS['password'] = "test";
  /* http://www.manongjc.com/article/1251.html */
  function validatelogin ($username, $password){
    if (strcmp ($username, $GLOBALS['username']) == 0 && strcmp ($password, $GLOBALS['password']) == 0){
      setcookie ("cookie_user", $username, time()+60*60*24*30);
      setcookie ("cookie_pass", md5 ($password), time()+60*60*24*30);
      return true;
    } else {
      return false;
    }
  }
  if (validatelogin ("test","test")){
    echo "Successfully logged in.";
  } else {
    echo "Sorry, invalid login.";
  }
?>