Several complementary functions of session (1 ). In PHP, there are a lot of discussions about Sessions. In fact, there are still several functions in PHP4 that we have not noticed at ordinary times. Let me introduce them to you. Session_set_save _ in PHP, there are a lot of discussions about the session. In fact, there are several functions in PHP4 that we have not noticed at ordinary times.
Let me introduce them to you.
Session_set_save_handler () is really a good thing.
//********************
Session_unset (PHP4 $ # @ 62; = 4.0b4)
Void session_unset (void );
This function can leave all session variables registered to null. Note that it is neither unregister nor destroy.
In the following example, this function is well described.
$ #@ 60 ;? Php
Session_register ("a", "B", "c"); // auto-session-start
$ A = 1;
$ B = 2;
$ C = 3;
Session_unregister ("a"); // unregistrered $
Echo "A: $ a-reg:". session_is_registered ("")."
"; // But the global $ a remains
Session_unset (); // unsets $ B und $ c
Echo "B: $ B-reg:". session_is_registered ("B ")."
"; // The registration remains!
Echo "C: $ c-reg:". session_is_registered ("c ")."
";
Echo session_encode ();
? $ #@ 62;
Output:
A: 1-reg:
B:-reg: 1
C:-reg: 1
! B |! C |
Bytes. Let me introduce them to you. Session_set_save _...
