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setcookie()函数来设置cookie。此函数最多需要六个参数,应在<html>标记之前调用。对于设置每一个cookie,必须单独调用此函数。setcookie(name, value, expire, path, domain, security);
setcookie("name", "John Watkin", time()+3600, "/","", 0);
setcookie("age", "36", time()+3600, "/", "", 0);
<html>
<head>
<title>用PHP设置Cookies</title>
</head>
<body>
echo "设置 Cookies"
</body>
</html>
打开浏览器访问脚本,然后按F12打开开发者模式,选择Network(网络)选项卡,选择Headers,可以看到如下图所示:

/* 设置过去时间为当前时间的之前的60秒 */ setcookie( "name", "", time()- 60, "/","", 0); setcookie( "age", "", time()- 60, "/","", 0); <html><head> <title>用PHP删除cookie</title> </head><body> echo "删除cookie" </body> </html>
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