A domain Name page called B domain name php,php in the read and write cookies are empty, there is a way to solve it? Thank you!

http://www.test1.com/called with JS
http://www.test2.com/test.php

The read-write cookie function found in PHP does not work.
Setcookie ("TestCookie", $value, Time () +3600);
$phpcookies = $_cookie[' TestCookie ');


What's the problem, please?
Thank you!

Reply to discussion (solution)

Would you please enter $value to see if it is a null value?

Would you please enter $value to see if it is a null value?
Is "output", typos ...

Cookie value cannot be accessed across domains

A cookie is bound to a domain name and can be passed as a parameter to a cookie.

A cookie is bound to a domain name and can be passed as a parameter to a cookie.
Excuse me, is there an example, thank you prawn!

Browsers are prohibited from cross-domain.

A.com The following cookie can only be accessed by a.com PHP below, B.Com is not accessible.

Cross-domain parameters are best to pass parameters

JS does not support cross-domain ...

Browsers are prohibited from cross-domain.
Http://www.test2.com/test.php?XXXX=XXXXXX

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