Detailed explanation of how to use php cross-domain cookie sharing

This article mainly introduces how to use phpcross-domaincookie. Friends who need it can refer to

The domain where the A machine is located: a1.main.com, A has the application main.php
The domain where the B machine is located: b1.test.com, B has the application test.php

1. Set in main.php When using cookies, the cookie setting method is as follows:

The code is as follows:

setcookie( "TestCookie",  "okol",  time() + 3600,  "/", "b1.test.com", 1 );

In this way, the cookie can be obtained in test.php.

2. When entering the url to access test, you must enter the domain name for resolution.
For example, enter: http://b1.test.com/test.php to get the cookie set by cas on the client.
And for machine B to access the local application, enter: http://localhost: 8080/test.php cannot obtain cookies.

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