discuz! X plug-in development to determine whether the user login code how to write

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discuz! X plug-in development to determine whether the user login code how to write?

When we develop plug-ins, we often need to determine whether the access user is a registered user, if it is allowed access, otherwise pop-up login window prompts the user to log in!

The code to implement this functionality is as follows:

2. if (Empty ($_g[' uid '))) {
3. ShowMessage (' To_login ', ', ', Array (), Array (' showmsg ' = ' = ', ' login ' = 1));
4. }

Copy Code

$_g[' UID '] represents the ID number of the registered user, and if the user is already logged in, the variable is not empty!
By judging whether the $_g[' uid '] is empty to determine whether the user is logged in, if not logged in, then call ShowMessage Prompt user login or register!

discuz! X plug-in development to determine whether the user login code how to write