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Share the method of php using P3P to complete COOKIE cross-domain operations

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Release： 2016-07-25 08:57:59
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  2. 127.0.0.1 www.a.com
  3. 127.0.0.1 www.b.com
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First: Create a_setcookie.php file:

  2. //header('P3P: CP="CURa ADMa DEVa PSAo PSDo OUR BUS UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"');
  4. setcookie("test ", $_GET['id'], time()+3600, "/", ".a.com");
  5. ?>
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Then: Create a_getcookie.php file:

  2. var_dump($_COOKIE);
  3. ?>
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Finally: Create b_setcookie.php file:

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Three After the files are created, access them sequentially through the browser:

  2. http://www.b.com/b_setcookie.php
  3. http://www.a.com/a_getcookie.php
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while visiting the b.com domain, and There is no cookie value set in the a.com domain.

Then, modify the a_setcookie.php file and remove the comment symbols. a_setcookie.php is:

  2. header('P3P: CP="CURa ADMa DEVa PSAo PSDo OUR BUS UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"');
  4. setcookie("test", $_GET['id'], time()+3600, "/", ".a.com");
  5. ?>
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Visit through the browser again:

  2. http://www.b.com/b_setcookie.php
  3. http://www.a.com/a_getcookie.php
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to see if cross-domain has been implemented Visited.



Related labels：
php借助P3P完成COOKIE跨域操作的方法分享
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