$ _COOKIE []不接受带句点的字符串？

问题描述：

<?php
  $Test = "dsdsdad.dsad";

  if (isset($_COOKIE["$Test"])) {
      echo "I GOT A COOKIE WITH A PERIOD";
  } else {
    setcookie("$Test", "yes", time()+60*60*24*3);
  }

  $Test = "dsdsdaddsad";

  if (isset($_COOKIE["$Test"])) {
      echo "I GOT A COOKIE WITHOUT A PERIOD";
  } else {
    setcookie("$Test", "yes", time()+60*60*24*3);
  }

?>

It seems that $_COOKIE[] will not accept anything with a period in it. However, the setcookie function sets both cookies fine. What is the way around this? I'd like it to read a cookie with a dot.

 ＆lt;？php 
 $ Test =“dsdsdad.dsad”; 
 
 if（  isset（$ _ COOKIE [“$ Test”]））{
 echo“I GOT A COOKIE WITH A PERIOD”; 
} else {
 setcookie（“$ Test”，“yes”，time（）+ 60 *  60 * 24 * 3）; 
} 
 
 $ Test =“dsdsdaddsad”; 
 
 if（isset（$ _ COOKIE [“$ Test”]））{
 echo“I GOT A COOKIE WITHOUT A  PERIOD“; 
} else {
 setcookie（”$ Test“，”yes“，time（）+ 60 * 60 * 24 * 3）; 
} 
 
？＆gt; 
  code>   pre> 
 
 似乎$ _COOKIE []不会接受带有句号的任何内容。 但是，setcookie功能可以很好地设置两个cookie。 这是怎么回事？ 我希望它能用点读取一个cookie。 p> 
  div>

答

Please see the documentation.

So, if you set the cookie dsdsdad.dsad, it'll be stored as dsdsdad_dsad when PHP parses the cookie headers..

$ _COOKIE []不接受带句点的字符串？

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