New in PHP 5.4 adds to the effectiveness of session state judgment

New in PHP 5.4 adds the ability to judge the session state
In previous versions of PHP, to determine if the session is valid, you can use the following method:

Session_Start ();    if (Isset ($_session))  {     echo "Started";  }  else  {    echo "not Started";  }

In PHP 5.4 (coming soon), the status of the session is subdivided, which can be judged by the following methods:

Session_Start ();    $status = Session_status ();    if ($status = = php_session_disabled)  {    echo "SESSION is DISABLED";  }  else if ($status = = Php_session_none)  {    echo "session Enabled but No SESSION values Created";  }  else  {    echo "session Enabled and Session values Created";  }

You can see that by using Session_status (), a value of type int is returned, indicating the various states of the session, such as prohibitions (php_session_disabled), the session does not exist
(Php_session_none)
, or the SESSION has been set up (php_session_active)

1/F Lijichao 2012-02-20

2/F mailangel123 2012-02-21

This can have.

3/F mailangel123 2012-02-21

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