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1. kmvan
   Member
   Posted 1 year ago #

   WP shows a error msg: undefined the is_user_logged_in().

   something is wrong?

2. kmvan
   Member
   Posted 1 year ago #

   to use the function of is_home() that it works.
   the is_user_logged_in doesn't work, why?

3. kmvan
   Member
   Posted 1 year ago #

   now i write the is_user_logged_in() in the function,it works.but the outside.

4. panahbiru
   Member
   Posted 1 year ago #

   hope you've read this:

   http://codex.wordpress.org/Function_Reference/is_user_logged_in

5. kmvan
   Member
   Posted 1 year ago #

   yes.i had read. but nothing found...

6. Joseph
   Member
   Posted 1 year ago #

   What do you mean by plugin page? functions.php?

7. kmvan
   Member
   Posted 1 year ago #

   plugin page means the my-plugin-name.php.
   for example:
   my-plugin-name.php:
   

   <?php
   /*
   Plugin Name: my plugin
   Plugin URI: ....
   ...
   */
   if(is_user_logged_in()){
    function example(){
     ...
    }
   }
   ?>

   like this, it shows me a error: the is_user_logged_in() is undefined.
   but like this:
   

   <?php
   /*
   Plugin Name: my plugin
   Plugin URI: ....
   ...
   */
   function example(){
    if(is_user_logged_in()){
     ...
    }
   }
   ?>

   it works!
   can get me?

8. Joseph
   Member
   Posted 1 year ago #

   I think it's because is_user_logged_in() is located in wp-includes/pluggable.php and if you open the file it says at the top:

   These functions can be replaced via plugins. If plugins do not redefine these functions, then these will be used instead.

   ie, my-plugin-name.php is been loaded before pluggable.php.

9. kmvan
   Member
   Posted 1 year ago #

   oh, I think ur right!
   thank u.:)

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