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$value = "Hello world!";// cookie will expire when the browser closessetcookie("myCookie", $value);// cookie will expire in 1 hoursetcookie("myCookie", $value, time()+3600);// cookie will expire in 1 hour, and will only be available// within the php directory + all sub-directories of phpsetcookie("myCookie", $value, time()+3600, "/php/"); <html><body></body></html>